2016年电大 2016年4月份电大远程网络教育大学英语B统考题库试卷8.doc

一、交际英语 1、- Bring me the bill, please. - _________ A：You are welcome. B：Please wait for a moment, sir. C：Ill hurry up. D：Be quick. ： B 2-- Did you win the 100 metre race?-- Yes, I did.-- Really?-- ________________. A：Congratulations B：Best wishes C：Good luck D：Right ： A 3- Hello, may I talk to the director now?- ________________ A：Sorry, he is busy at the moment. B：No, you cant. C：Sorry, you cant. D：I dont know. ： A 4- Could you help me with my physics, please？- _______________ A：No, no way. B：No, I couldnt. C：No, I cant. D：Sorry I cant. I have to go to a meeting right now. ： D 5-- Must I take a taxi?-- No, you _______________ . You can take my car. A：had better to B：dont C：must not D：dont have to ： D 1、 Do you want to know something about the history of weather?你想了解一些有关天气的历史吗？ Dont look at the sky. Dont look for old weather reports. Looking at the tree rings is more important. Some weather reports go back only one century，but some trees can show us an exact B、计算机应用基础统考辅导 全套题库，精心整理并归类完毕，全中文翻译，视频教程讲解，一次性通过，唯一QQ：?153499368 record of the weather even further back. Its clear that a tree would grow best in a climate with lots of sunlight and rainfall. It is also expected that little sunlight or rainfall would limit the growth of a tree. The change from a favorable (有利的) to an unfavorable climate can be reading the tree rings in tree trunk. To find out the weather of ten years ago，count the rings of a tree trunk from the outside to the inside. If the tenth ring is far from the other rings，then we are sure that lots of sunny and rainy weather happened. If the rings are close together，then the climate was bad for the tree. Studying tree rings is important not only for the history of the weather，but also for the history of man. In a place of New Mexico you can find only sand－no trees and no people. However，many centuries ago a lot of people lived there. They left suddenly. Why? A scientist studied the dead tr