1. 单项选择:
1) _____ more and more forests destroyed, some birds are _____ with the danger of dying out.
a. within; facing b. by; facing c. as; faced d.with; faced
2) the winter of 1990 was extremely bad. _______ most people say it was the worst winter of their 1ives.
a. as far as b. in fact c. in a word d. as a result
3) the cause of the accident may have been the engine's ________to operate.
a. fault b. failure c. inconvenience d. disorder
4) he had many ____; he was obviously ________.
a. fall; a drink b. falls ; drink c. feelings; drinks d. falls; drunk
5) after her time in hospital, jenney’s parents are afraid she has _____ in her lessons.
a．fallen behind b．fallen down c．fallen back d．fallen off
6) in some western countries, demand for graduates from mba courses has _____.
a. turned down b. turned over c. fallen down d. fallen over
7) john is very lazy. he falls ______ behind in his studies.
a. very b. far c. more资源难易程度:★★★★★★★★★★★★★★★
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