Cloze test - 6

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Man has known for many hundreds of years that (1)………… of the world is covered by the waters of the oceans. (2) ……… he has not realized until recently that the oceans are and will be one of his most valuable sources of food and energy. Today through his fast technological progress, he has been able to make (3) …………. discoveries. For example, he has determined that (4) ………. sea plants can be nutritious foods and that vast mineral resources (5) ………….. on or under the ocean floor. In fact, man has acquired more knowledge of the deep seas in the past fifteen years than he had in the preceeding two thousand years.

1. 

 A) most
 B) mostly
 C) the most
 D) the least
 E) more

2. 

 A) Yet
 B) For
 C) Because
 D) Although
 E) Moreover

3. 

 A) newly
 B) progress
 C) numerous
 D) much
 E) inevitable

4. 

 A) little
 B) some
 C) plenty
 D) much of
 E) a lot

5. 

 A) should find
 B) may find
 C) will be found
 D) can be found
 E) must be found

Answers..