Unit 4 Topic2同步练习2023-2024学年仁爱科普版八年级英语上册

Unit 4 Topic2 课堂小贴1: Robots may take the place of humans in some work situation. 在某些工作中，机器人可以代替人。 take the place of … 动词短语。“代替……”，“取代……”如： Tractors have taken the place of horses in villages.在农村，拖拉机取代了马。 Now gas takes the place of coal in cooking.现在，煤气代替煤来做饭。 课堂小贴2: They can also do lots of dangerous work instead of humans. 他们可能代替人类做许多危险的工作。 Instead of …复合介词，“代替……：替…”，“而不……”，如： He’ll go to Italy instead of France.他要去意大利而不去法国。 You should be out playing instead of working indoors all day. 你应该到外边去活动，而不要整天呆在屋子里工作。 We’ll go by bus instead of on foot. 我们坐车去，而不步行去。 课堂小贴3.Nobody is sure of that.没人敢确定这件事。 1)be sure of / about …….对… 有把握 2）be sure to do sth 一定会做某事 3)be sure that + 从句 确定，肯定 4） be not sure whether / if 不确定是否 课堂小贴4：There are no living things on other planets. 其它行星上没有生物。 No形容词，“没有”，相当于“ not any或not a / an” 。 如： We have no classes on Sunday. (=We don’t have any classes on Sunday.) 星期天我们不上课。 There is no water or air on the moon. （= There isn’t any water or air on the moon.） 月球上没有水和空气。 He is sure of himself. 他对自己有信心。 We are sure to win this time. 我们一定会赢。 We are sure that we will win. 我们相信我们一定会赢。 We are not sure whether he will come or not. 我们不能确定他是否会来。 合并句子。 1. I'm sure. We will win this time next time. I'm sure______ we will win this time. 2. He's not sure. Will she come or not? He's not sure ___________ ________ ________ come or not. 一、单线选择。 ( ) 1. — Excuse me.Could you tell me __________ about robots? — Of course. A. something B. anything C. everything D. some thing ( ) 2. — He saw a UFO flying __________ his head at nine o’clock last night. — Really? A. in B. on C. over D. across ( ) 3. It didn’t look like man-made objects such as a kite or a balloon, . A. also B. too C. either D. as well ( ) 4. When you a word in a dictionary, pay attention to the first letter of the word. A. look up B. look for C. look at D. look over ( ) 5. — Are you sure you will win the game? — ________