考试类型: Critical Reading > Sentence Completions

Choose the word or set of words that, when inserted in the sentence, best fits the meaning of the sentence as a whole.

Numerous illnesses that were once difficult to ------- may now be diagnosed through -------blood tests.

A. detect . . perfunctory

B. facilitate . . tedious

C. administer . . pre-emptive

D. treat . . grueling

E. observe . . inconvenient

正确答案:A

解析:

It makes sense to say that certain diseases are no longer difficult to “detect,” or discover, now that doctors can diagnose them through routine, or “perfunctory,” tests.