成人高考高升本培訓(xùn)

12. Kate helped her mother do some housework， ____?()

A. didn't she

B. did she

C. helped she

D. she helped

【答案】A

【考點(diǎn)】本題考查反意疑問句;

【解析】help為實(shí)義動(dòng)詞，故變反意疑問句時(shí)要借助助動(dòng)詞did。此外，按照反意疑問句中“前肯后否”和“前否后肯”的原則。故本題選A。

13. It's such a difficult problem. All students listen carefully to make themselves ____.()

A. understand

B. understanding

C. to understand

D. understood

【答案】D

【考點(diǎn)】本題考查make sb. done結(jié)構(gòu)，意思是“使某人……”;

【解析】make themselves understood意思是“使他們自己明白”。

14. These two apples are for you. The rest ____ for your brothers and sisters.()

A. was

B. are

C. is

D. were

【答案】B

【考點(diǎn)】本題考查主謂一致;

【解析】The rest指代剩下的蘋果(apples)，故用復(fù)數(shù)。分析題干可知本題用一般現(xiàn)在時(shí)，故選B。

15. On receiving the paper， we ____ to write at once.()

A. set up

B. set off

C. set out

D. set in

【答案】C

【考點(diǎn)】本題考查固定搭配;