题目

下列关于硅及其化合物的说法正确的是  A．玛瑙、水晶、石英钟表的主要成份都是硅酸盐 B．建筑所用的水泥、砂子、石子主要成份都是硅酸盐 C．通讯光缆、计算机芯片的主要成份是硅酸盐 D．我国著名的陶瓷含有的主要成份是硅酸盐 答案：D Mr. and Mrs. King have lived in our town for nearly twenty years. They have a book shop by the bus station. They’re polite to everyone and have a lot of friends. They often   1   the poor students and sell them some books cheaply. So there’re many young men in their shop. Of course people   2   them and their friends often visit them and   3   them. We can always hear their rooms are full of   4   and quarrel.     It was a Friday evening. Mr. and Mrs. King were going to have a picnic on the island the next   5  . It was a little far from our town. So they had to   6   earlier than usual to catch a six o’clock train. After   7   a few friends came to see them while they were cooking some food and drinks for the picnic. Mr. King and his wife had to stop to receive them. They talked a lot and few of them looked at the   8   on the wall. It was late. Mr. and Mrs. King were anxious（焦急的）but they couldn’t tell the visitors about it. Mrs. King thought for a few minutes and had an idea. She said to her husband, “Oh, it’s eleven o’ clock! You’d better stop talking, dear! Our guests are anxious to   9  !”     Mr. King heard this and stood up, then he said   10   to the visitors and they left soon. 1. A. help         B. hurt                 C. hit                     D. watch    2. A. know               B. understand            C. meet                  D. like  3. A. play with            B. fight with              C. talk with          D. catch up with    4. A. cry                 B. shout                C. noise                  D. laugh    5. A. morning       B. afternoon                    C. evening               D. night    6. A. go to work   B. get up                   C. go to sleep          D. open the shop    7. A. breakfast            B. lunch                 C. supper               D. meal    8. A. phone       B. photo                  C. clock                D. picture  9. A. go home     B. go to bed               C. go shopping          D. have a seat    10. A. hello         B. goodbye               C. sorry                D. nothing