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Câu trả lời:

11. His past behaviour had a definite _________ on what the judges decided.

       A. bearing                     B. weight                         C. decision                               D. conclusion

12. If you are a student on a low budget you are probably _________ from paying tax.

      A. except                       B. excluded                     C. exempt                                 D. apart

13. The mailing list has done much to _________ the numbers of people attending.

      A. lift                             B. encourage                   C. heighten       D. boost

14. As was _________ predicted, the company has announced hundreds of job losses.

      A. considerably             B. widely                         C. substantially                        D. amply

15. She felt that travelling had greatly _________ her life.

      A. moved                       B. enriched                     C. expanded                             D. increased

16. A study that’s just been published _________ our theory completely.

       A. puts up                     B. holds up                     C. backs up   D. takes up

MANY KINDS OF MICROBES

There are thousands of different kinds of microbes. Microbes called (1) _______ are the smallest living things. Bacteria live almost everywhere: on land, in water, and even (2) _______ you.

Some microscopic life forms are like plants. Tiny diatoms are microbes that live in lakes and the ocean. Diatoms soak up (3) _______ and use its energy to make food, just like plants.

Some microscopic life forms are more (4) _______ animals. Protozoa such as the amoeba and paramecium are animal-like microorganisms. An amoeba can move (5) _______ changing the shape of its body. It sticks out a pseudo pod, or false foot. A paramecium is (6) _______ with tiny hairs. It waves its hairs rapidly to swim.

Viruses are (7) _______ kind of microbe. Viruses sometimes act like living things and other times act like nonliving things. Viruses sometimes live in the cells of plants and animals. (8) _______ a cell, a virus reproduces like a living thing. The virus uses the cell to make many copies of itself. Viruses are (9) _______ small to see with an ordinary microscope. You need a powerful electron microscope to see a virus. Outside of a plant or animal cell, a (10) _______ is like a nonliving thing.

Question 1:

A. animals

B. bacteria

C. plants

D. viruses

Question 2:

A. in

B. out

C. outside

D. inside

Question 3:

A. sunlight

B. water

C. air

D. lightning

Question 4:

A. as

B. same

C. like

D. similar

Question 5:

A. by

B. after

C. before

D. during

Question 6:

A. made

B. done

C. filled

D. covered

Question 7:

A. other

B. one another

C. another

D. each other

Question 8:

A. Outside

B. Inside

C. Beside

D. Near

Question 9:

A. very

B. so

C. too

D. almost

Question 10:

A. cell

B. plant

C. diatom

D. virus