The discovery of the strange stone in the deserted valley has spurred series ...

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问题 The discovery of the strange stone in the deserted valley has spurred series of scientific research.

选项 A:encouraged
B:endangered
C:endorsed
D:enlarged

答案A

解析本句意思:在那个荒凉的山谷中发现的奇异石头激发了一系列的科学研究。encourage的 意思为“激励,鼓励”;endanger的意思为“使……处于险境”;endorse的意思为“赞同,签名”;en- larg。的意思为“使增大”。spur的意思为“激励,促进”,和encourage的意思接近。
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