必修二Unit3单元练习

必修二必修二 Unit3 单元练习题单元练习题 一 单词拼写一 单词拼写 1 In most maths examinations senior high school students are allowed to use 计算器 in the exams 2 I don t like 假的 flowers which cannot purify 净化 the air 3 He s very clever He s got quite high 智商 quality 4 Try to 简化 your explanation to the students to help them understand better 5 I am afraid I 彻底 forgot about it 6 He liked to 探险 the World Wide Web 7 Please fill in the 申请 and you ll get a good job 8 However in 事实上 I don t know her well 9 Don t lose heart 无论如何 you can try 10 网络 can connect some computer systems together 二二 单项选择单项选择 1 the explanation of the book we tan finally understand the meaning of the passage A With the help of B Under the help of C After the help of D By the help of 2 Although they are twins they don t have much A the same as B in common C in commons D much like 3 are you going to it Keep it of course A What deal with B How deal with C How do with D What use 4 Although he had to spend lots of money for going to the ball he accepted the invitation the ball was important to him A After all B In all C First of all D Above all 5 We ve missed the last bus I m afraid we have no but to take a taxi A way B choice C possibility D selection 6 Problems because they were lack of communication A raised B added C showed D arose 7 As time my memory seems to get worse A goes along B goes away C goes by D goes through 8 You may not agree but I think she is a very good girl A personally B truly C generally D commonly 9 We walk in the moonlight talking about we were interested in A used to all what B were used to all that C used to what D were used to what 10 They spent as many hours as they could their lessons A to study B studying C study D studied 11 一 What s happening in the new area New houses recently over there A are built B built C have built D have been built 12 The experiment was easier than we had expected A more B much more C much D more much 13 The two new railway lines by now A has completed B have completed C have been completed D has been completed 14 at the terrible news that I didn t know what to say A So sad Mary looked B So sad did Mary look C So sad Mary looked D So sadly did Mary look 三 完成句子三 完成句子 1 A new teaching building 已经被建造 in our school 2 Professor James will give us a lecture but when and where 还没 有确定 3 Although the causes of cancer we don t yet have any practical ways to prevent it 已经被揭示 4 The students 已经被告诉 to look after their desks and chairs 5 Every possible means by the company to bring down the wholesal e price of its products 已经被尝试 四 语法填空 The computer began as a 1 machine in 1642 in France It could 2 difficult 3 In 1936 Alan Turing built a 4 machine to 5 any mathematical problem At the beginning the computer was as large as a room This 6 worried the designer As time went by it became smal ler and smaller With 7 intelligence it is getting cleverer and cleverer quicker and quicker In the early 1960s computers could be connected by a network which enables their users to sha re information with others Since the 1970 computers have many new 8 and become very import ant in communication 9 trade and even been put into space rocket and sent to 10 the Mo on and Mars 必修二必修二 Unit3 单元练习答案单元练习答案 一 1 calculators 2 artificial 3 intelligence 4 simplify 5 totally 6 explore 7 applications8 reality9 Anyhow10 Network 二 ABBAB CCACB DCCB 三 1 has been set up 2 hasn t bee