Read the followingpassage and mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the questions.
Not so many years ago, the word vitamin was known only to a few scientists. Today it is very widely used, and the importance of vitamins in your foods is common knowledge.
Vitamins are life-giving substances found in foods and are needed for the proper growth and general health of the body. The different kinds of vitamins are indicated by letters of the alphabet. At the present time, vitamins A, B1, B2, C, D, E and G are known. A proper diet should contain a collection of foods in which all of these vitamins are present. Vitamins are also prepared and sold in tablet and capsule form.
Each vitamin has its particular work to do in the life-giving process. Vitamin B1, for example, benefits appetite and digestion. It also helps the body grow. Another vitami helps the blood to clot, so that danger of bleeding to death in case of injury is lessened. Still another makes the eyes stronger of seeing at night. Airplane pilots need plenty of this vitamin. Scientists think vitamins may have some effect on keeping the hair from turning gray.
Which of the following can be infered from the passage?
A. Scientists have known about vitamins for centuries.
B. Vitamins are medicines given to cure diseases.
C. To get all the vitamins a person must eat a variety of foods.
D. A few people know the value of vitamins.
Giải bởi Vietjack
Chọn đáp án C
Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions
Mark the letter A, B, C or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions.
Mark the letter A, B, C, or D on your answer to indicate the sentence that is closest in meaning to the original sentence in each of the following questions.
They managed to finish the project in time for the presentation.
Mark the letter A, B, C or D on your answer sheet to indicate the most suitable response to complete each of the following exchanges.
Speaker 1:“It’s rather cold in here. Do you mind if I close the window?”
Speaker 2:“______”
It is written English, which is not systematically phonetic that_______ difficulties to foreigners.
Read the followingpassage and mark the letter A, B, C or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks.
When man first learnt how to make fire, he began to use fuel for the first time. The fuel he used was probably wood. As time passed, man eventually discovered that substances such as coal and oil would (21)_____.
Coal was not used very widely as a (22)_____ of energy until the last century. With the coming of the industrial revolution, it was soon realized that production would double if coal was used instead of wood. Nowadays, (23)_____ of the huge factories and electricity stations would be unable to function if there was no coal.
In the last twenty or thirty years, (24)_____, the use of coal has declined. As the result, there have been changes in the coal industry. It is (25)_____ that more people would use coal if oil and gas were not available.
Student 1: “What are you thinking of doing when you leave school?”
Student 2: “______”
