初四英语Unit4练习.doc

When was it invented? 练习题 一.根据开头字母，补全单词 1. Do you know who the computer was i _______by? 2. The seat belt on a plane are a _______. 3. It was a big m________ to leave my umbrella at home. 4. A c______ is a hundred years. 5. Boys, stop t_____ stones to the poor dog. 二.单项选择 1. The bridge __________ by the farmers themselves in 1982. A. built　B. was built　C. build　　D. was build 2. All the books will _______ to the children who live in the small village. A. be sent　B. sent　C. be send　D. send 3. Keys _______ used for ______ the doors. A. is, opening　B. is, opened　C. are, opening　D. are opened 4. My mother told me that my homework must _______ on time. A. finish B. be finish C. be finished D. finished 5. The police found the lost car _______. A. with mistake　B. by accident　C. by mistake　D. in accident 6. I don’t like this kind of potato chips because they are not _______. A. crispy B. sweet C. soft　D. sour 7. They decided _______ at the end of this month. A. to leave B. going back C. travel D. not stay out 9. When ______ the car ________? A. did, inventB. was, invented　C. does, invent　　　D. in, invented 10. Jack ____ leave __ his teacher comes back. A. doesn’t, until B. /, until C. won’t, /　D. won’t, until 　　参考答案 一.根据开头字母，补全单词 1. invented　 2. adjustable　 3. mistake　 4. century　　 5. throwing 二.单项选择 1－5 BACCB　　6－10 AAABD　　 一、根据句意及首字母的提示，填写所缺的单词。 1.Alexander Graham Bell i_____ the telephone in 1876. 2. Do you know how to o_____ on the machine? 3. I can see an i_____ in the middle of the lake. 4. They like the fish and potato c_____ in the shop. 5. The soup isn’t s_____. Put some salt again, please.　　 6. Have you b_____ the baby’s milk yet? 7. He was wearing a new cap, but I didn’t even n_____ it. 8. Salt is p_____ in East and South China. 9. The machine is made of m_____. 10. We took the pictures with the new c_____ last month. 二、单项选择。 1. What is a telephone used _____, class? A. to B. in C. for D. about 2. Was a car in