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1.As we all know, a proper amount of exercise to good health. A.controls B.offers C.provides D.contributes 答案:D 解析:句意:众所周知,适量的运动有助于健康。contribute to “有助于, 导致, 成为……的原因之一”。 2.Only if he gets a new job have enough money to buy his own house. A.he can B.can he但是 C.he will D.did he 答案:B 解析: “only + 状语/状语从句” 放在句首时, 主句应用部分倒装, 故可排除A、C两项;根据时态可排除D项。 3.—Ann seems to be upset.What’s up? —She from the voice on the line that her mother was not satisfied with her test scores. A.included B.concluded C.suggested D.contained 答案:B 解析:答句句意:她根据电话中的声音断定母亲对她的考试成绩不满意。include “包括”;conclude “断定”;suggest “建议”;contain “容纳, 包含”。 4.He is very cute and always giving offense. A.cautious of B.aware of C.certain about D.good at 答案:A 解析:句意:他很精明, 总是小心谨慎以防惹事。cautious常与介词of搭配, 意为 “谨慎的, 慎重的”。 | 
