2020-2021学年高二英语外研版(2019)选择性必修第二册寒假作业Unit 6 A卷 1.When the patient saw a confused expression on the doctor's face, he stood rooted to the ground, _____(wonder) whether to ask or not. 2.Without more training or _____(advance) technical skills, they'll be defeated by other competitors finally. 3.Parents should be aware of the fact that _____(expose) to lead (铅) will cause damage to the brains of young children. 4.During the trial, the prosecutor(检察官) presented evidence to prove that it was Hanks who _____(commit) the crime. 5._____(surprise) and happy, I just stood there at a loss, holding the 100-yuan note in my hand. 6.The island offers such a wide?_____ (various) of scenery and wildlife. 7.Please say?_____ (definite) whether you will be coming or not. 8.I looked at his boots and _____?(infer) that he must be a policeman. 9.He has always been ambitious and?_____ (fierce) competitive. 10.His _____ (optimistic) blinded him to many problems. 11.It has been fifty years _____ my grandparents got married. They always support and take care of each other. 12.This is the basis _____ our bilateral relations should continue to develop. 13.On the web page you can read all about the six great books _____ offer. 14.There is evidence _____ the amount of carbonate(碳酸盐) has recently dropped in the coastal waters. 15.I think I understand what she meant. Her answer amounted _____ a complete refusal. 16.直到那时，他才意识到自己的车被偷了。（only + 状语） _____ that his car had been stolen. 17.他匆匆离开了。他好像有急事要做。(as if) He left in a hurry. It seemed _____. 18.有这么多的书要读，我没有时间跟你闲聊。（with复合结构） _____, I have no time to chat with you. 19.如果他接受这项工作，他将别无选择，只能迎接更 大的挑战。（have no choice but) If he takes on this work, he will _____. 20.听到这个消息，他们立刻出发去上海了。(动词-ing形式作时间状语） _____, they immediately set off for Shanghai. out of reach, take over, be crucial to, figure out, under construction, die from, adapt to, crash into 1.?_____? of their natural predators, rats in this area have increased several times in number. 2.?Without the professors' guidance, it took them about one hour to? _____? how to start the equipment. 3.?The boss wanted to know if I was prepared to? _____? the whole operation and supervise(监督) it. 4.?The life in Australia will be different, and we have to be ready to? _____? the change. 5.?Winning this contract? _____? the success of the company. We have been working on it day and night for weeks. 6.?According to the research, up to half of all smokers ?_____? a tobacco-related disease. 7.?A new highway, which is? _____? between the two towns, is expected to promote the economic development of the area. 8.?A truck went out of control and? _____? the back of a bus in the rush hour, causing several people injured. 答案以及解析 1.答案：wondering 解析：考查非谓语动词。句意;当这个患者看到医生脸上迷惑的表情时,他呆若木鸡地站着,不知道是否要询问医生。分析句子 ... ...
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