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

　　參考答案：

　　26.正確答案：D

　　答案解析：back down：讓步，退卻;放棄。

　　27.正確答案：A

　　答案解析：本題考查的是固定短語的搭配，regardless of表示“不管，不顧”的意思。

　　28.正確答案：D

　　答案解析：本題考查separate的用法。separate通常與介詞from連用。

　　29.正確答案：C

　　答案解析：rely與depend多作為不及物動詞來使用，所以后面如果有賓語，就應(yīng)該用rely on或depend on.所以答案A和B錯誤。consist of意思是“由……組成”，不符合句意。所以本題答案是C.

　　30.正確答案：D

　　答案解析：譯文：去年制定了一個計(jì)劃，將要在這個城市的這個地區(qū)修建幾條公路。此題考查同位語從句。