(
课件网) Unit 3 Computers 阅读 01 课时精讲 重点句子讲解。 1．You may be unaware of them．你可能没有觉察到它们。 (1)be unaware of意为“不知道；没意识到；未察觉”。 He was completely unaware of the whole affair which happened to him last night. 他对昨晚发生在他身上的整件事情一无所知。 (2)be unaware of的反义词组为be aware of，意为“意识到”。 The girl was unaware of the danger which she was in． 那个女孩儿没有意识到她所处的危险。 (3)The teacher _____ the new student in the classroom just now. 老师刚才没有觉察到教室里新来的那个学生。 (4)The boy _____ the importance of learning English at that time. 在那时，男孩没有意识到学习英语的重要性。 (5)He _____ this serious problem.他意识到这个严重的问题了。 was unaware of was unaware of was aware of 2．In addition, computers can do important jobs like operating railways and flying planes and spaceships． 另外，电脑能做重要的工作，例如：操控铁路系统、飞机和太空飞船。 此句中，like用作介词，意为“比如；例如”，可以和such as互换，不能和for example互换。 Practical lessons, like woodwork and cookery, are not considered as important as Maths. 像木工和烹饪之类的实用课程被认为不如数学重要。 (1)I love to read novels written by Mark Twain _____ The Adventures of Tom Sawyer. 我喜欢读马克·吐温写的小说，比如《汤姆·索亚历险记》。 (2)I have many hobbies, like _____ basketball and _____． 我有很多兴趣，比如说打篮球和游泳。 like/such as playing swimming 3．However, one day computers may be able to do a better job than human beings． 然而，有一天，电脑可能有能力把工作做得比人类更好。 be able to意为“有能力做……； 会做……”，有时态变化，过去时用was/were able to do, 将来时用will be able to do，其反义短语是 be unable to do。 You must be able to speak Spanish for this job．做这项工作你必须会说西班牙语。 (1)We _____ _____ ____ deal with all sorts of problems.我们能够应付各种困难。 (2)We _____ usually _____ ____ finish the work ahead of time. 我们通常能够提前完成工作。 (3)I believe we _____ ____ _____ ____ learn English well in the future. 我相信将来我们一定能够学好英语。 are able to are able to will be able to 4．What will happen to us if computers can do all our jobs 如果电脑可以做我们所有的工作，我们会怎么样呢？ 在此句中，if用作连词，意为“假如； 如果”，引导条件状语从句。主句用一般将来时，if引导的从句用一般现在时来表示将来时。有时候if引导的从句也可放句首，中间用逗号隔开。 If it is fine tomorrow, we will go swimming.如果明天天气好的话，我们就去游泳。 (1)We will go to the park ____ it _____ rain tomorrow． 如果明天不下雨，我们就去公园。 (2) _____ the traffic lights are red, you _____ stop and wait. 如果交通指示灯是红的，你必须停下来等一等。 if doesn't If must 02 课时过关 根据课本阅读部分的内容，完成下面语法填空。 Nowadays, some computers are tiny．You may be 1．_____(aware) of them．Everybody depends 2．_____ computers more than he/she 3．_____(realize)．We can use computers to calculate．They can calculate at a 4．_____(fast) speed than we can and almost never give wrong ... ...
