每日一题

Critical Reading>Sentence Completions

Choose the word or set of words that, when inserted in the sentence, best fits the meaning ofthe 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

答案和解析

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.