26.The speaker‘s forceful words persuaded his opponent to _______.
A. back out B. back up C. back on D. back down
27.It was important for the president to continue his schedule， regardless _______ the bomb threat.
A. of B. by C. from D. with
28.The Atlantic Ocean is one of the oceans that separate the old world _______ the new.
A. in B. away C. to D. from
29.Health _______ good food， fresh air and enough sleep.
A. rely B. depend C. depends on D. consist of
30.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
参考答案：
26.正确答案：D
答案解析：back down：让步，退却;放弃。
27.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。
28.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。
29.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.
30.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。
