课后强化作业55.doc

课后强化作业(五十五)Unit 5　Meeting your ancestors .单词拼写 1．________(不知怎么地)the thieves had managed to get in through a tiny bathroom window. 2．The mayor________(称赞)the firemans bravery in his speech. 3．Passengers were asked to________(确认)their own suitcases before they were put on the plane. 4．________(原始)people lived in caves and they often had to go hungry. 5．After a few years of practice, he became very________(熟练的)at drawing. 6．Your name has been d________from the list. 7．Dont hurry. We have a________time. 8．The results of this survey can be divided into three main c________. 9．He a________his speed, hoping to catch up with all the other athletes ahead of him. 10．Millions of people will face s________next year as a result of the drought. 答案：1.Somehow　2.applauded　3.identify　4.Primitive 5．skillful　6.deleted　7.ample　8.categories　9.accelerates 10．starvation .完成句子 1．Whenever we are in trouble, we must________ ________(向前看)and encourage ourselves. 2．This job is open to all，________ ________(不管)previous experience. 3．The history of this country can________ ________ ______(追溯到)the Stone Age. 4．________ ________(要是……就好了)we could have a day off tomorrow. 5．________ ________(假定)the task is finished, where can we have a holiday? 答案：1.look ahead　2.regardless of　3.date back to/date from 4．If only　5.Assuming that .单项填空 1．More attention is to be paid to energy exploration to find________energy. A．traditional　　　　　　　B．alternative C．available D．inexpensive 答案：B　考查形容词。句意：为了找到可替代能源，人们将投入更多的注意力进行能源勘探。alternative energy“替代能源”。 2．—Is your husband good at cleaning up the room? —Not very, but when it________cooking, he is much better than I am. A．talks about B．refers to C．comes to D．deals with 答案：C　考查句式。when it comes to doing sth.“当谈论到做某事时”。 3．—Any information about your son? —No，if only I________those tough words to him. A．didnt say B．hadnt said C．shouldnt have said D．couldnt have said 答案：B　考查虚拟语气。if only引导从句应该使用虚拟语气。再由句意“要是我还没有对他说那些强硬的话该多好啊”可知，表示与过去的事实相反，因此用过去完成时。 4．