1.The speaker‘s forceful words persuaded his opponent to _______.

　　A.back out B.back up C.back on D.back down

　　2.It was important for the president to continue his schedule，regardless _______ the bomb threat.

　　A.of B.by C.from D.with

　　3.The Atlantic Ocean is one of the oceans that separate the old world _______ the new.

　　A.in B.away C.to D.from

　　4.Health _______ good food，fresh air and enough sleep.

　　A.rely B.depend C.depends on D.consist of

　　5.A plan was made last year ______ several roads would be built in this part of the city.

　　A.as B.where C.which D.that

　　1.正确答案：D

　　答案解析：back down：让步，退却;放弃。

　　2.正确答案：A

　　答案解析：本题考查的是固定短语的搭配，regardless of表示“不管，不顾”的意思。

　　3.正确答案：D

　　答案解析：本题考查separate的用法。separate通常与介词from连用。

　　4.正确答案：C

　　答案解析：rely与depend多作为不及物动词来使用，所以后面如果有宾语，就应该用rely on或depend on.所以答案A和B错误。consist of意思是“由……组成”，不符合句意。所以本题答案是C.

　　5.正确答案：D

　　答案解析：译文：去年制定了一个计划，将要在这个城市的这个地区修建几条公路。此题考查同位语从句。