《unit 5.3七下第五单元专题5.3 Grammar-七年级英语人教版（下册）》由会员分享，可在线阅读，更多相关《unit 5.3七下第五单元专题5.3 Grammar-七年级英语人教版（下册）（8页珍藏版）》请在金锄头文库上搜索。
1、一、why引导的特殊疑问句 why引导的特殊疑问句，意为为什么？，用来询问某事的原因。结构为Why+助动词的适当形式+主语+动词原形+其他？/Why +be动词+主语+其他？。（1）一般用法：常用于询问原因。回答时常用because。eg:Why does he look worried? 他为什么看起来着急？ Because he lost his key. 因为他把钥匙丢了。【典例】Why dont you like tigers? theyre really scary.A. Because B. So C. But D. And【答案】A来源:Zxxk.Com（2）特殊用法：Why d
2、ont you+动词原形+其他？常用来提出建议或劝告，表示为什么不？相当于Why not+动词原形+其他？。eg: Why dont you play basketball?=Why not play basketball? 为什么不打篮球呢？ That sounds good. 那听起来不错。【典例】I feel upset because I am too heavy. do more exercise to lose some weight?A. Why dontB. Why notC. Why not to【答案】B【解析】句意：我感到难过，因为我太胖了。为什么不多做锻炼来减肥呢？由空
3、格后的动词原形do可知用why not。why not动词原形why dont you动词原形，意为为什么不？。（3）why还可作感叹词，表示吃惊、不耐烦、轻微的抗议、反对及犹豫等不同的语气。eg：Why，dont you know me? 啊，难道你不认得我吗？二、形容词的用法形容词修饰名词，用以说明事物或人的性质或特征，是英语中最常用的词性之一，通常在句中作定语、表语等。（1）形容词作定语，用于修饰名词或代词one, ones等，位于名词或代词之前，但若修饰不定代词要放在不定代词之后。eg: These are interesting books. 这些是有趣的书。 I want some
4、 big ones. 我想要些大的。 There is something interesting in todays newspaper. 今天的报纸上有有趣的内容。【典例】Martha is a girl. She always smiles and says hello to others. A. shy B. friendly C. crazy D. healthy【答案】B（2）形容词作表语，放在连系动词(be/look/feel/sound等)后，构成系表结构，即连系动词+表语，说明主语怎么样。eg: You look great today. 你今天看起来很棒。 She is s
5、o friendly. 她是如此友善。【典例】The flower smells and I like it very much. A. well B. good C. bad D. badly【答案】B【解析】本题考查形容词作表语。smell为感官动词，后接形容词作表语。根据句意可知选B。（3）一些形容词和定冠词the连用，表示一类人或事物，相当于一个名词；另外，形容词前可用very, too, a little等表示程度的词修饰。eg: He often helps the old. 他经常帮助老人。 You are too lazy. 你太懒了。一、对下列句子的画线部分进行提问，每空一词
6、。1. I can see many books on the table._ _ you see on the table? 2. The T-shirt is black and white. _ _ is the T-shirt? 3. Lisa is from France. _ _ Lisa _? 4. I often go to work at eight oclock in the morning._ _ _ you often go to work in the morning?5. Lucy wants to join the music club._ _ _ Lucy wa
7、nt to join?二、根据汉语意思完成句子，每空一词。1. 你为什么喜欢老虎？_ _ you _tigers?2. 这只猫有点儿懒。The cat is _ _ _.3. 这只长颈鹿来自哪里？_ _ the giraffe _?三、用所给词的适当形式填空。1. He is very _ (friend) to others, so he has lots of friends there.2. I think Miss Zhang is one of the most popular _(teacher). I am her fan.3. He wants to get a necklac
8、e(项链)_(make) of silver.4. Look! There are so many _ (tree) on both sides(边) of the street. 5. The boy is too young to know the _ (dangerous) of smoking.四、从方框中选择合适的词并用其适当形式完成句子。1. The tiger must be thirsty(渴的). Please give it some_to drink.2. Take a map with you, or(否则) youll get _ in the city. 3. Ma
9、ry a lways _ to lock(锁上) the door when she leaves the classroom. 4. Rose likes dogs so she doesnt want people _ them for their meat. 5. I can remember those _ with beautiful animals. 五、单项选择。1. Is Tina an outgoing girl? No, shes kind of _. Her face always turns red when she speaks in public. A. shy B
10、. active C. relaxed D. funny 2. A storm is on the way. Dont forget _ the windows when you go to sleep，Mike.I wont, Mum.A. closeB. closingC. to close3. Do you believe that paper is made _ wood?Yes, I do. And you can see that books are made _ paper. A. from; from B. from; of C. of; from D. of; of4. Wh
11、at a boring afternoon! Yes. To _ time, lets play computer games! A. have B. need C. kill D. save 5. The population of Liupanshui is over 3 million.A. less than B. almost C. nearly D. more than6. I think dragons(龙) are the _ of China. Do you think so?I agree with(同意) you.A. symbol B. situation C. pro
12、mise D. shape7. Look at those teachers over there. Which is your new art teacher?The man _ curly hair. He is very funny.A. with B. in C. on D. for8. In order to protect the environment, we shouldnt _ any trees.A. turn down B. put down C. cut down 9. The school library is a good _ for us to read book
13、s. A. time B. habit C. place D. job 10. She is beautiful, isnt she? _. But she doesnt have beautiful clothes. A. Yes, she isnt B. No, she isC. Yes, she is D. No, she isnt 六、根据汉语提示完成句子。1. 我妹妹对别人友好，但她有点腼腆。My sister is _ _ others, but she is kind of _. 2. 莫言是世界上最优秀的作家之一。Mo Yan is _ _ the best _ in the world. 3. 许多动物现在处在极大
