Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word orphrasethat best fits eachof the numbered blanks from 21 to 25.

 

Located in central Africa, Lake Victoria is a very unusual lake. __(21)__ of the largest lakes in the world; it is also one of the youngest. Estimated to be about 15,000 years old, it is a relative baby compared with Earth’s other very large lakes, __(22)__ more than two million years old. Yet judging by the variety of life in it, Lake Victoria __(23)__ a much older body of water. Usually, lakes need a much longer time __(24)__ by a diverse array of life-forms. It is common for new lakes to contain only a small number of species. Lake Victoria, however, is packed with colorful fish, most notably, cichlids. There are __(25)__ 500 different species of just this one type of fish.

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word orphrasethat best fits eachof the numbered blanks from 6 to 10.

Children (6) _______appear intelligent and have normal sight and hearing may nevertheless have learning disability such as dyslexia, difficulty in reading; dysgraphia, difficulty in writing; dyscalculia, difficulty with numbers; and auditory-memory problem that (7) _______the child from remembering what has just been said. Considered an "invisible" (8) ) _______ , such learning disabilities can be detected by alert parents before the children go to school. (9) _______  the child at about thirty months is not developing normal language skills, something is amiss. A child who cannot do puzzles or put pegs in holes lacks perceptual-motor skills. Kindergarteners should (10)______the ABCs. First-graders may commonly reverse their letters, writing ad or ab, but if they are still doing this at the start of second grade, they should be tested for learning disabilities. Proper and early treatment is essential.

We all (40) ____sad when we left.

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word orphrasethat best fits eachof the numbered blanks from 1 to 5. More than two hundred years ago, the term “environmental pollution” was quite strange to people. They lived healthily, drank (1)_____ water and breathed fresh air. In those days, industry was not well-developed. Nowadays, the situation is quite different. The world today is faced with many (2)_____ threats. People all over the world are worried (3)______ things that are happening to the environment. Actually, it is man (4)______ is destroying the surroundings with many kinds of wastes from the devices that makes human live more comfortable and convenient. Everybody knows that motorbikes and cars emit dangerous gases that cause poisonous air and cancer, but no one wants to travel on foot or by bicycle. Manufactures know that wastes from factories make water and soil polluted, but they do not want to spend a lot of their money on (5)_____ the wastes safely. Scattering rubbish is bad for our health, but no one wants to spend time burying it. Is it worth talking a lot about pollution?

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word orphrasethat best fits eachof the numbered blanks from 16 to 20.

We can communicate not only through words (16) _______through body language. Body language includes our posture, facial expressions, and gestures. Because body language is so important, you’ll want (17)_______what yours is saying and how to interpret other people’s, too. Here are some examples of body language and its meaning. If your posture is slumped and your head is down, this could mean that you are sad or youlack (18) _______. If your posture is straight but relaxed, you are expressing confidence and friendliness. A smile is a sign of friendliness and interest. But people sometimes smile just to bepolite. Friendliness and interest are expressed when a person’s eyes meet yours and then look away and meet yours again. A person (19) _______ doesn’t look away is expressing a challenge. Hand gestures can mean a person is (20) _______ in theconversation.

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word orphrasethat best fits eachof the numbered blanks from 11 to 15.

Any change in one part of an ecosystem can cause changes in other parts. Droughts, storms and fires can change ecosystems. Some changes ____(11)___ ecosystems. If there is too little rainfall, plants will not have enough water to live. If a kind of plant dies off, the animals____(12)___feed on it may also die or move away. Some changes are good for ecosystems. Some pine forests need fires for the pine trees to reproduce. The seeds are sealed inside pinecones. Heat from a forest fire melts the seal and lets the seeds ____(13)___. Polluting the air, soil, and water can harm ecosystems. Building dams on rivers for electric power and irrigation can harm ecosystems ____(14)___ the rivers. Bulldozing wetlands and cutting down forests destroy ecosystems. Ecologists are working with companies and governments to find better ways of___(15)____ fish, cutting down trees, and building dams. They are looking for ways to get food, lumber, and other products for people without causing harm to ecosystems.

she forget it all tomorrow? I suspect the (28)_____.