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People of Hispanic origin were on the North American continent centuries before settlers arrived
from Europe in the early 1600s and the thirteen colonies joined together to form the United
States in the late 1700s. The first census of the new nation was conducted in 1790, and counted about four million people, most of whom were white. Of the white citizens, more than 80%
traced their ancestry back to England. There were close to 700,000 slaves and about 60,000 "free Negroes". Only a few Native American Indians who paid taxes were included in the census count, but the total Native American population was probably about one million. By 1815, the population of the United States was 8.4 million. Over the next 100 years, the
country took in about 35 million immigrants, with the greatest numbers coming in the late 1800s and early 1900s. In 1882, 40,000 Chinese arrived, and between 1900 and 1907, there were more
than 30,000 Japanese immigrants. But by far, the largest numbers of the new immigrants were
from central, eastern, and southern Europe. An enormous amount of racial and ethnic assimilation has taken place in the United States. In 1908, play-write Israel Zangwill first used the term "melting pot" to describe the concept of a place where many races melted in a crucible and re-formed to populate a new land. Some years during the first two decades of the 20th century, there were as many as one million new
immigrants per year, an astonishing 1 percent of the total population of the United States.
In 1921, however, the country began to limit immigration, and the Immigration Act of 1924
virtually closed the door. The total number of immigrants admitted per year dropped from as many as a million to only 150,000. A quota system was established that specified the number of
immigrants that could come from each country. It heavily favored immigrants from northern and western Europe and severely limited everyone else. This system remained in effect until 1965, although after World War II, several exceptions were made to the quota system to allow in
groups of refugees.
To whom does the word 'their' in line 5 refer?
- A. immigrants
- B. people of Hispanic origin
- C. white citizens
- D. Native Americans
Correct Answer: C
Rationale: The word 'their' in line 5 refers to 'white citizens' as it states that more than 80% of the white citizens traced their ancestry back to England. Therefore, the correct answer is C - white citizens.
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"Phobias — 'Don’t be afraid.' Sounds simple, but for some people it's not. Having the normal reaction of being scared or frightened helps you to survive threats of all kinds, both physical and verbal. Most mild fears are outgrown during childhood; however, severe fears, called phobias, are extreme and unreasonable. Phobias cause out-of-control feelings such as sickness, headaches, ulcers, and high blood pressure. Specific phobias center around things, activities, or situations while people with social phobias feel anxiety over social settings where they fear embarrassing situations. Another type of phobia called panic disorder causes people to sweat, tremble, or even faint due to overwhelming panic which may occur at any time. By talking, breathing deeply, and visualizing, a person can gain control over debilitating phobias
What does the author want the reader to know about phobias?
- A. Phobias help people to survive threats.
- B. That phobias are debilitating.
- C. Phobias only happen in social settings.
- D. That people can gain control over phobias.
Correct Answer: D
Rationale: The passage emphasizes that phobias are severe and unreasonable fears that can lead to debilitating physical and emotional symptoms, such as sickness and high blood pressure. While the author also mentions that people can gain control over phobias, the primary focus of the passage is to highlight their debilitating nature. Therefore, the correct answer is B, as it accurately reflects the author's intent to inform readers about the debilitating effects of phobias.
About 6% of the earth is covered by rainforests. The largest rainforest in the world is the
Amazon Basin, which stretches over 2.3 million square miles in nine different South American countries. This area is double the length of all the other remaining rainforests in the world. Brazil contains 60%of the Amazonian rainforest, since it lies at the mouth of the river Amazon. This river is the second largest in the world and contains more than one-fifth oftheworldĆ¢Ä‚¬Ä„¢sfresh water. The Amazon rainforest is a type of wet broadleaf forest. The weather there is very humid and warm as it rains quite a bit. Because of the high rainfall, the forest is very rich and green. The
tree leaves are pointed and narrow so that the raindrops can easily drop off wet plants. This
tropical rainforest has more living species than the entire European continent. There are over 400 types of insects living in one single rain forest tree for a total of 2.5 million species. One square kilometer of rainforest may contain over 75,000 types of trees and approximately 438,000
different kinds of plants, which comes to a total of 90,000 tons of greenery overall. The Amazon rainforest is home to 2,000 birds and mammals, with one in every five birds in the world living there. Local farmers have lived off this rich and diverse land for thousands of years. They have been able to find food and water here without destroying the land. The Kayapo people of Brazil
farm in an environmentally-friendly way. Instead of chemicals, they use burned wood to enrich the soil, and plant banana trees, which attract wasps. These wasps then feed on leafcutter ants and get rid of these harmful insects. The rainforest also offers a lot of tropical fruits, such as bananas and coconuts, as food.
Cinnamon is made from the bark of a rainforest tree. Amazonian Indians use the fruit and stem
of the Buruti plant as a drink, to make bread and to build houses. Many other plants are used as medicine. But the Amazon rainforest is in very big danger of disappearing. 9,169 square miles of
forest have been cut down in 2003 in Brazil alone. An area of the size of a football field is burned down basically every minute, which means that the rain forest may be gone by the year 2030.The dangers related to this type of activity are obvious. Trees take in poisonous carbon
dioxide from the air and give off oxygen. There is more oxygen and less carbon dioxide around a
rainforest. When trees are cut down, however, the amount of carbon dioxide increases, and the
air gets warmer. This leads to global warming, which is extremely harmful to the environment. It
is estimated that the burning of Brazilian rainforests alone produces 200 million metric tons of carbon dioxide ayear. Another danger connected with destroying the rainforest is the disappearance of plants and animals. When trees are cut down, plants and animals have no more
food left and slowly die out. Killing wild animals is illegal in Brazil, but there is plenty of stealing going on. 38 million animals are stolen and sold illegally each year. The most hunted
animals are birds, especially parrots, followed by snakes and the jaguar.
Which rainforest plant has more than one use?
- A. Banana
- B. Coconut
- C. Cinnamon
- D. Buriti plant
Correct Answer: D
Rationale: The Buriti plant from the Amazon rainforest is a versatile plant with multiple uses. Amazonian Indians use its fruit and stem as a drink, to make bread, and to build houses. Additionally, many other plants in the rainforest are utilized for medicinal purposes. This makes the Buriti plant stand out as a rainforest plant with more than one use.
The immune system is a network of cells, tissues, and organs that defends the body against attacks by foreign invaders. These invaders are primarily microbesĆ¢Ä‚¬Ä€¯tiny organisms such as bacteria, parasites, and fungiĆ¢Ä‚¬Ä€¯that can cause infections. Viruses also cause infections, but are too primitive to be classified as living organisms. The human body provides an ideal environment for many microbes. It is the immune systemĆ¢Ä‚¬Ä„¢s job to keep the microbes out or destroy them.
The immune system is amazingly complex. It can recognize and remember millions of different enemies, and it can secrete fluids and cells to wipe out nearly all of them. The secret to its success is an elaborate and dynamic communications network. Millions of cells, organized into sets and subsets, gather and transfer information in response to an infection. Once immune cells receive the alarm, they produce powerful chemicals that help to regulate their own growth and behavior, enlist other immune cells, and direct the new recruits to trouble spots.
Although scientists have learned much about the immune system, they continue to puzzle over how the body destroys invading microbes, infected cells, and tumors without harming healthy tissues. New technologies for identifying individual immune cells are now allowing scientists to determine quickly which targets are triggering an immune response.
Improvements in microscopy are permitting the first-ever observations of living B cells, T cells, and other cells as they interact within lymph nodes and other body tissues.
In addition, scientists are rapidly unraveling the genetic blueprints that direct the human immune response, as well as those that dictate the biology of bacteria, viruses, and parasites. The combination of new technology with expanded genetic information will no doubt reveal even more about how the body protects itself from disease.
What is the meaning of the word 'enlist' as it is used in the second paragraph?
- A. call into service
- B. write down
- C. send away
- D. put across
Correct Answer: A
Rationale: In the second paragraph, 'enlist' is used in the context of immune cells responding to an infection by calling other immune cells into service to address the issue. Therefore, the correct meaning of 'enlist' in this context is 'call into service.' The immune system works by activating and directing different cells to combat threats, highlighting the importance of mobilizing immune cells into action to fight infections.
Subjective exams measure your ability in several areas. Besides recall information, you must be
able to realize content logically and intelligently express yourself in a clearly understood manner. Subjective test provide opportunity for students to show their broad knowledge of a subjective
area. Answers may be in the form of paragraphs or lengthy essays. When your review for an essay exam, concentrate on main ideas rather than details. Since essay tests are less to a few questions, they are likely to deal with more important ideas of a subject. Prepare a list of question you think might be asked. Write an answer to each of your questions. Rather than writing complete sentence down your thoughts in outline form. Doing so will help
you organize the information so that you can express yourself clearly.
When you take the test, read through all the questions before you start to write. Allot time for each question, spending more time for questions worth the most points. Read each question carefully to determine exactly what they are asked. Pay attention to words such as define, illustrate, explain, list, compare, and contrast. Each work requires a different type of response. Write a brief outline of your answer on scrap paper or the back of the test. Make sure you include all the important ideas that are within the limits of the question. In other words, do not write more than is asked for each answer. When you write your answer, keep it specific and as brief as possible. In the introductory sentence it is often helpful to make a general statement that includes
important points addressed in each question. Such a topic sentence serves as a framework for your answer. Then use your outline to develop the main point and subtopics. Add substance to
your answer by including as many facts as possible to support your answer.
Check your paper before you submit it. Look for mistakes in grammar, spelling, sentence
structure, and punctuation. Unless you are certain an answer is wrong, do not change it. Your answer is an educated guess and is usually your best chance of answering correctly
When answering subjective questions, the student should:
- A. Include more than is asked.
- B. Keep it brief and specific.
- C. Write out the words 'true' or 'false'.
- D. Capitalize the matching letters.
Correct Answer: B
Rationale: When answering subjective questions, it is important for students to keep their responses brief and specific. This helps in staying focused on the main points and prevents unnecessary information that could detract from the answer. By being concise and specific, students can effectively communicate their understanding without veering off topic or providing irrelevant details. This approach also helps in organizing thoughts and presenting a clear and coherent response to the question, which is crucial in subjective assessments where logical expression plays a significant role.
A BIT ABOUT BICYCLES
Today, bicycles are so common that it's hard to believe they haven't always been around. But two hundred years ago, bicycles didn't even exist, and the first bicycle, invented in Germany in 1818, was nothing like our bicycles today. It was made of wood and didn't even have pedals. Since then, however, numerous innovations and improvements in design have made the bicycle one of the most popular means of recreation and transportation around the world. In 1839, Kirkpatrick Macmillan, a Scottish blacksmith, dramatically improved upon the original bicycle design. Macmillan's machine had tires with iron rims to keep them from getting worn down. He also used foot-operated cranks like pedals, so his bicycle could be ridden at a quick pace. It didn't look much like a modern bicycle, though, because its back wheel was substantially larger than its front wheel. In 1861, the French Michaux brothers took the evolution of the bicycle a step further by inventing an improved crank mechanism. Ten years later, James Starley, an English inventor, revolutionized bicycle design. He made the front wheel many times larger than the back wheel, put a gear on the pedals to make the bicycle more efficient, and lightened the wheels by using wire spokes. Although this bicycle was much lighter and less tiring to ride, it was still clumsy, extremely top heavy, and ridden mostly for entertainment. It wasn't until 1874 that the first truly modern bicycle appeared on the scene. (14) Invented by another Englishman, H.J. Lawson, the "safety bicycle" would look familiar to today's cyclists. This bicycle had equal-sized wheels, which made it less prone to toppling over. Lawson also attached a chain to the pedals to drive the rear wheel. With these improvements, the bicycle became extremely popular and useful for transportation. Today they are built, used, and enjoyed all over the world.
After reading this article, the reader learned that:
- A. Bicycles have changed significantly over the years.
- B. Modern bicycles are used for both recreation and transportation.
- C. Bicycling is gaining in popularity all over the world.
- D. Bicycles are not a recent invention and have a long history.
Correct Answer: C
Rationale: The correct answer is C: 'Bicycling is gaining in popularity all over the world.' The passage discusses the evolution of bicycles from their early designs to modern ones, highlighting how they have become one of the most popular means of recreation and transportation globally. The information provided in the passage indicates that bicycles have undergone significant changes and improvements over the years, making them more popular and widely used. Therefore, the statement that bicycling is gaining popularity worldwide is supported by the passage.