問題詳情

三、綜合測驗＜1＞ Have you ever heard of the chemical DDT and the disaster it caused in human lives? The town __31__ somewhere in the midst of prosperous farms, surrounded by fields of grain and hillsides of orchards, __32__ clouds of bloom drifted above the fields all year round. The animals roamed silently, sometimes half __33__ in the mists of the morning. Along the roads, wildflowers rising above the grass __34__ your eyes. In the sky the flight of migrants was a common sight. People came a long way to fish the streams and they seldom went home __35__. Suddenly, things began to change. The roadsides, __36__ lined with green vegetation, were deserted as though swept by fire. The animals sickened and died. Worse, the children were stricken ill, some __37__ of the disease the doctor had never heard of. The few birds __38__ anywhere were no more chirping and twittering. What happened on earth? A few patches of white powder in the gutters revealed the truth. __39__ was the overuse of the DDT that caused such a tragedy. DDT is a chemical used to kill insects that harm crops. It __40__ killed insects but threatened other lives and damaged the environment as well.
31.
(A) lies
(B) lay
(C) lays
(D) laid

參考答案

答案：B
難度：非常困難0
統計：A(1),B(0),C(0),D(1),E(0)

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