Unit9知识点2023-2024学年人教版八年级英语上册

Unit9 Section A 1. straight --curly, She is of medium height, and she has long straight hair. Draw a straight line from A to B. （2） adv. 意为“笔直地；成直线地：径直” They stood straight. (stood是stand过去式) Walk straight on and you'll see the traffic lights. 2. tall adj. 高的 tall 反义词：short 常指人、动物、树、建筑物等“高”，但不指山的“高”。 a tall man a tall building 一幢高楼 a tall tree high 反义词：low ①多指物体或位置的“高”，但不指人的“高”②指抽象意义上的“高”，如：物价、温度、评价等 a high mountain high prices There are many tall trees in the high mountain. 【注意】high与 tall 形容树和建筑物“高”时可以互换，但形容mountain(山）时只能用 high. 3. medium adj. 中等的 My father is not tall. He is of medium height. This is a coat of medium size. －What size shirt does he wear, small, medium or large? －Medium. 4. height n. 身高；高度 What's your height? What's the height of that wall? 【拓展】height 可与介词in 连用，常用于描述某人或某物高度的句子中，其结构为：sb. +be十数字＋meters/feet in height. 此时，in height相当于形容词 tall 或high。 He is two metres in height. =He is two metres tall. The mountain is 500 metres in height,.=The mountain is 500 metres high.。 5. be of medium height 、build Maggie is of medium height/build. 玛吉中等身高／身材。 I am short, and my sister is of medium height. 6. heavy adj. 重的 ①体胖的，重的（反义词：thin 瘦的） His little sister is a little heavy. ②沉的，重的（反义词：light 轻的） The box is very heavy. ③用来表示雨或当很大时，heavy意为“大（量）的，猛烈的”。 There will be a heavy snow. =It’s going to snow heavily./hard 7. glasses (pl. )n. 眼镜 a pair of glasses一副眼镜 glass ① two picces of glass两块玻璃 ②可数名词，表示“玻璃杯” two glasses of milk Well, he has brown hair and wears glasses. 【注意】a/this/that pair of glasses 作主语时，谓语动词用单数。 His grandfather always wears a pair of glasses. This pair of glasses is Tom’s. 8. actor n. 演员 actress n. 女演员 Do you want to be an actor? Both his sister and his friend are actresses. 9. person n. 人 【解析】person 为可数名词，意为“人；人物”，其复数形式persons. There is only one person in the room. 【辨析】person与 people person 作可数名词，意为“人”时，着重指个人。 people 意为“人们”时，不能指一个人，着重指全 体，作集合名词，单数表示复数概念 The boy needs a person to give him