问题 选择题
圆锥的底面半径为3cm,母线为9cm,则圆锥的侧面积为(  )
A.6πcm2 B.9πcm2 C.12πcm2 D.27πcm2
答案

答案:D

听力题

A. 根据句意和提示写出单词,完成句子。

小题1:—I can’t stand it any more. The computer is so slow.

—Perhaps you need to         (重启) it. 

小题2:Many of the Australians like to take some ________(户外) exercises.

小题3:I believe you will enjoy your ________(成功)if you don’t give up.  

小题4:His father promised to buy him a _____ (笔记本) but he didn’t keep it.

小题5:The story happened on a cold windy     (十一月)afternoon.

小题6:Thank you. Your explanation is so ___ (清楚) that I am sure I’ve completely got it.

小题7:Mr Zhang bought a car yesterday. It is the      (最新的) of all the cars in our school.

小题8:Mrs Wang came to see me          (不久)after Mr Zhang left my house.

小题9:The girl couldn’t wait to share her          (happy) with her family.

小题10:All the farmers in my country are enjoying a cheap    ▲     (medicine) care now thanks to the party’s great policy(政策).

小题11:He said he was terribly sorry for the few      (mistake) he had made the day before.

小题12:The king decided to build a big palace          (special) for his new daughter.

小题13:All of us must do the washing and cooking by          (we) so that we can live better in the future.

小题14:In his speech he said that all his Chinese friends are worth        (make) and he would come back to see them in a short time.

小题15:Xiangshui Senior High School will celebrate its        (sixty) birthday this coming October.

单项选择题