大学英语1课程作业和答案2.docVIP

大学英语1作业2 单项选择题 第1题 Once ___ to the rail, the car will become electrically powered?from the system,?and control of the vehicle will pass to a central computer. A、applied B、detached C、attached D、contrived 答案：C 第2题 The ___ cycle of life?and death is a subject of interest to scientists?and philosophers alike. A、incompatible B、exceeding C、instantaneous D、eternal 答案：D 第3题 When we speak with close friends, we are free to interrupt them?and we will not be ___ if they interrupt us. A、disturbed B、offended C、bothered D、troubled 答案：B 第4题 Many eminent scientists?from all over the world came to china to ___ in the forum on nuclear physics. A、attend B、celebrate C、observe D、participate 答案：D 第5题 A?thermometer?and a barometer are recording ___ essential to the meteorologist. A、implements B、tools C、instruments D、utensils 答案：C 第6题 He thinks we shouldn’t go ahead with this plan because of the ___ of failure. A、future B、pressure C、risk D、worry 答案：C 第7题 Be careful with this ancient basin as it is ___ a lot. A、worth B、worthy C、worthwhile D、deserving 答案：A 第8题 I gave her the key ___ she would be able to go inside. A、that B、so that C、since D、as 答案：B 第9题 The book is unsatisfactory in ___ it lacks a good index. A、what B、why C、which D、that 答案：D 第10题 Without water, how long can a man ___ out? A、late B、continue C、last D、survive 答案：C 第11题 Even though he was guilty, the ___ judge did not send him to prison. A、merciful B、impartial C、consistentious D、conspicuous 答案：A 第12题 According to the American federal government, residents of Hawaii have the longest life ___: 77.2 years. A、rank B、span C、scale D、scope 答案：B 第13题 In a telephone survey of more than 2000 adults, 21% said they believed the sun revolved around the earth. An ___ 7% d