Unit 7 知识汇总+随堂测试2023-2024学年人教版八年级英语下册

八年级英语（下） Unit 7 What’s the highest mountain in the world? ◆ 用法归纳 Point 1. This elephant weighs many times more than this panda. 这只大象比这只大熊猫重很多倍。 （1）weigh既可作及物动词，表＂称重＂，也可作连系动词，表＂有……重；重＂。 I weighed the box. It weighs 20 kg. 我称了这个盒子，它重20公斤。 She is afraid of becoming fat. She weighs herself every day. 她怕发胖。每天都称体重。 【知识拓展】 其名词形式为weight。常用短语：in weight在体重方面。 The boy weighs 20 kg. ＝ The boy is 20 kg in weight. 这个男孩重20公斤。 【练习】 ( )1.—Do you know the ____ of the stone? —Yes. It___ about 200 kilos. A. weight; weighs B. weights; weighs C.weigh; weighs D. weigh; weigh ( )2. Your bag mustn't_________too much if you want to take a plane. You'd better ask the travel company about the total__________ for all your bags. A. weigh: weight B. weight: weigh C.weighed; weight D. weight: weighted Point 2. At birth, a baby panda is about 0.1 to 0.2 kilos. birth n. 出生;诞生。常见搭配： at birth出生时 date of birth出生日期 give birth to生孩子 What’s your date of birth?你是哪天出生的? 【易混辨析】　born/birth (1) born是bear的过去分词,意为“出生”,常用结构:sb.was/were born。 I was born in summer in 1988. 我出生于1988年的夏天。 (2) birth是名词,意为“出生,诞生,分娩”,反义词是death,意为“死,死亡”。 She gave birth to a girl last night. 她昨晚生了一个女孩。 【练习】 （ ）Look at the cute baby over there. He is about 3.6 kilos ___________birth. A.for B.in C.at D.on Point 3. Panda keepers are preparing milk for the baby pandas’ breakfast. prepare sth. for sb./sth. 给……准备……。 She prepared a nice breakfast for us. 她给我们准备了可口的早餐。 【知识拓展】　 (1) prepare sb. for sth. 使某人对某事有所准备 She said so because she wanted to prepare her father for the bad news. 她这样说是因为她想让爸爸对那个坏消息有所准备。 (2) prepare to do sth. 准备做…… They were preparing to cross the river when it began to rain. 他们正准备过河，这时下雨了。 (3) prepare sb. to do sth. 使某人准备做某事 Father is preparing my little brother to go to school. 父亲正使我的小弟弟为上学做准备。 (4) be prepared for sth. 为……做好了准备，强调状态。 They were prepared for the worst. 他们已准备好了应付最坏的情况。 (5) prepare for意为＂为……做准备＂，for后面的宾语是准备的对象。 The stude