冀教版八年级下册 Unit 4 Lesson 19同步练习 基础巩固 一、词汇运用 1. The new computer has a big _____（屏幕）. 2. Please use the _____（鼠标） to click on the icon. 3. The _____（键盘） of this laptop is very comfortable. 4. I need to buy a new _____（控制器） for my computer. 5. Can you help me connect the _____（计算机） to the Internet 二、单项选择 1. If it rains tomorrow, we _____ at home. A. stay B. will stay C. stayed D. have stayed 2. —What will you do if you _____ to the old folk's home visit — I will sing a song for them. A. go B. went C. going D. will go 3. If she _____ hard, she'll get good grades. A. study B. studies C. will study D. studied 4. We'll go for a picnic if it _____ this weekend. A. will rain B. rains C. doesn't rain D. won't rain 5. If you don't know the word, you can _____ in the dictionary. A. look it up B. look up it C. look them up D. look up them 三、根据汉语意思完成句子 1. 如果明天天气好，我们就去公园。 If it is fine tomorrow, we _____ _____ to the park. 2. 如果你努力学习，你就能通过考试。 If you study hard, you _____ _____ the exam. 3. 他如果看电视太久，他的眼睛就会疼。 If he _____ TV for too long, his eyes _____ hurt. 4. 假如你需要帮助，请给我打电话。 If you need help, please _____ _____ . 5. 如果她不来，我们就自己去。 If she _____ _____, we'll go by ourselves. 能力提升 一、用所给词的适当形式填空 1. If you _____ (not be) careful enough, you'll make more mistakes. 2. If she _____ (come) tomorrow, I'll tell her the news. 3. What will you do if you _____ (have) a lot of money 4. If it _____ (snow) heavily tomorrow, we won't go skating. 5. If he _____ (not do) his homework, the teacher will be angry. 二、阅读理解 Computers are very important to modern life. Many people think that in the future computers will be used in lots of everyday life. It is thought that we won't have to go shopping because we will be able to get most things which are sold in shops on the Internet. There will be no more books because we will be able to get all texts from computers. The Internet will be used to play games, see films and buy food. Most telephone calls will be made by computers, too. Some people are glad about these new ways of shopping and communicating. Others do not think that computers will replace our old ways. Let's look at books, for example. Some people think that one day we will not read books made of paper. Instead, we will buy and read books using computers. We will read texts on small pocket computers. The computers will keep many different books in them at the same time. We won't need to turn lots of pages and paper will be puterized books will be used more and more. Is Internet shopping such a pleasure as going to the shop Many people say it is not. It is a pleasure to go into shops and look at things you want to buy. It is also unlikely that many people will want to read large texts on our computers. Because paper books will perhaps be more friendly. Maybe computers won't change these two habits. 1. Which of the foll ... ...
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