Unit 9 My favorite subject is science. 知识讲解和巩固练习 2022-2023学年人教版七年级英语上册（无答案）

Unit 9 My favorite subject is science
【词汇积累】翻译以下短语。
1.我最喜欢的科目 ______________
2.它是有趣的 ______________
3.How is your day ______________
4.你体育老师是谁？ ______________
5.和......一起玩耍 ______________
6.第二天 ______________
【知识讲解】
1.favorite 可以做形容词也可以做名词，作名词时意为 “最喜欢的人（物）”，在句子中常可以与 “like.best ” 互换。
eg:What's your favorite subject = What subject do you like best
eg: My favorite color is blue. = Blue is my favorite color.我最喜欢的颜色是蓝色。
【拓展】
提问：What's your favorite subject 你最喜欢的学科是什么 常用来询问对方最喜欢的事物。
回答：“My favorite...is...”或 “...is my favorite.... .”
总结：形物代+favorite+名词+be+......
2.form...to...意为“从……到……”既可指时间又可指空间，可以连接两个不同的地点、时间、数字等。
　　form Monday to Friday 从周一到周五
form Beijing to Shanghai 从北京到上海
Lunch is from 12:00 10 1:00. 午餐从12点到1点。
It's only two hundred meters from here to my house. 从这里到我家仅有两百米远，
【拓展】
from...to 构成的其他常见的词组:
from day to day 日复一日地： from door to door 挨门换户地：
from house to house 挨家挨户地： from place 1o place 从一个地方到另一个地方
from side to side 从一边到另一边 from time to time 不时地：有时
3.finish的用法
　　finish作不及物动词时，意为“完成;做好”
　　eg:They start work early and finish late every day. 他们每天开工早收工晚。
　　作及物动词，后接动词时，要用动名词形式，finish doing sth. 表示“做完某事，完成某事”
　　eg:Jim usually finishes doing his homework before 8:00. 吉姆通常在8点前做完作业。
4.thank sb for的用法：
　　thank sb for意为“因……而感谢某人”，for是介词，后接名词、代词或动名词，表感谢的原因或内容。
　　eg:Thank him for telling me. 谢谢他告诉我。
　　eg:Thank you for helping with my English.多谢你帮我学英语。
5.for two hours的用法：
“for+一段时间”是介词短语，意为“……时间”，表示某事持续多长时间。对其提问要用how long。
　　eg:—How long will you stay in Beijing 你将在北京待多长时间
　 　—For about three days. 大约三天。
6. useful
useful 形容词，意为 “有用的：有益的”
eg: The dictionary is very useful. 字典是很有用的。
useful 是由动河 use 后缆“-ful〞 构成的形容词。
动词加 “-ful” 变成形容词，是一种常见的构词法，类似的这样的词还有很多。
eg：care 小心，注意 careful 小心的
help帮助 helpful 有帮助的
7. cool
cool 是形容词，意思足“妙极的”
eg：You look cool in this shirt. 你穿这件村衫看起来很豬。
cool 还有 “凉爽的：心里镇定的” 的含义。
eg：What a cool day roday！ 今天真是个凉爽的天气啊！
cool 还可以作动词，为“使变凉，使冷却： 使冷静。
eg：Open the windows to cool the room. 打开窗子让房间里交凉些。
8.because & because of
because of 和 because 都可以表示原因。because 后面用句子：because of 后面用名词、代词或者动名词短语形式。
eg: I was late this morning because I missed the first bus.
我今天早上迟到是因为我没能赶上第一班公共汽车。
eg: We couldn't have the sports meting last Sunday because of the rain.
我们上个星期天没能召开运动会是因为下雨了、
9. hour
hour 名词。意为“小时“，复数是 hours。 注意：“h”在这里不发音．因此hour 前用不定冠词时，应该用冠词an。
eg：They worked eight hours a day． 他们了一天工作八个小时
10. subject
subject 可数名词。意为 “学科”。
eg：What's your favorite subject？你最喜欢哪一科？
subject 还可以表示“主西、题日、话题”，也可以表示语法中的 “主语” 的意思。
eg：What's the subject of the passage 这篇短文的主语是什么？
【重点语法】
1.特殊疑问句：对句子中的某一部分内容提出疑问的问句，是指以what, who, when, where, why, how等开始的疑问句。特殊疑问句与一般疑问句不一样，它不能用yes或no回答。
① 结构：
倒装结构：疑问词+一般疑问句(语序) 　
陈述语序：疑问词+谓语+宾语/状语 , 一般是对主语进行提问，这时疑问词作句子的主语。
② 疑问词小结：
(1)什么都要问的what
　　疑问代词what的基本含义是“什么”，通常用来询问姓名、物品、数学运算结果或什么时间做什么事情等。What可与grade,class,color等名词“结盟”，一起来询问某些相对具体的信息。
　　eg: What grade is she in 她在几年级
　　eg: What color is your bag 你的书包是什么颜色的
(2)谁见谁爱的who
　　Who是疑问代词，它的意思是“谁”，用来询问“人”。在剧中作主语、宾语或表语。
　　eg: Who do you want to help 你想帮助谁
　　当who作主语时，句子要用陈述语序，谓语动词多用单数形式。
　　eg: Who likes playing basketball 谁喜欢打篮球
(3)一探究竟的why
　　Why是疑问副词，意思是“为什么”，多用来询问原因，回答时多用连词because引导的句子，意为“因为……”。
　　eg: —Why do you like P.E. 你为什么喜欢体育
　　 —Because I think it is very interesting 因为我认为它很有趣。
　　以why开头的否定疑问句多表示建议或请求。
eg: Why don’t you go to work a little earlier 你为什么不早点上班
【巩固练习】
一、单项选择。
1．—____is your daughter？　
—Fifteen.
A．When　　　B．How old　　 C．How
2．—____is the man over there
—Oh，he's my P．E.teacher，Mr.Li.
A．When B．Why C．Who
3．—____does he like music
—Because it's relaxing.
A．What B．Why C．Who
4．—____subjects do you have
—We have English，math，Chinese，art and music.
A．What B．When C．Where
5．—____do you have science class
—At 2：15.
A．What B．When C．Where
6._____Monday the first class is English. It's______ 8:00.
A. On; at B. At; on C. On; on
7. --Celia, what do you think of history
--It's an interesting ______.
A. sport B. trip C. subject
8. We______ art and English on Monday afternoon.
A. play B. have C. look
9. Nina asks Judy for an eraser_______ she can't find hers.
A. And B. but C. so
10. --Ella,__________
--It's great. I have a good time.
A. how are you B. how's your day C. where are you
11. --History is really interesting.
--_____. I like it very much.
A. You're welcome B. That's for sure C. I'm sorry
二、根据汉语意思和首字母提示完成句子。
1. How man s_______ do you study at school
2.B__________ is a difficult subject for me.
3. C__________ food is very delicious.
4. Today I'm b_________. I have no time to play soccer.
5. I like science because it's i__________.
三、用括号内所给单词的适当形式填空。
1.Tina wants to be an English _________(teach)．
2.Who is Jack's _________(China) friend
3.Math ___(be) my favorite subject.
4.—Why ___________(like) Chinese
—Because it's interesting.
5.The book is ___________(interest)．
6. We all like _________ (play) computer games.
7. Let's________(take) the twins to the classroom.
8. Could you________(help) me
9. My father is___________(real)busy today.
10.___________ (Steven)favorite day is Friday.
11.--Every day I watch TV for two________ (hour).
12.--Why_______ you _______ (like) science
--Because it's fin.
13.-Why______ he _______(like) math
--Because it's interesting.
14.--When_______ you ________ (have)math
--I ________ (have)math every day.
15.I ________ (have) P.E. on Tuesday.
四、按要求改写句子。
1. She has a music lesson for one hour. (对画线部分提问)
______ ______ does she have a music lesson
2. Mike can swim in the river. (对画线部分提问)
______ ______Mike_______
3.My friend likes to play basketball. (画线部分提问)
______ ______ your friends to do
4.How old are you (改为同义句）
_________ your_______
5. They have a good time in the park.（改为同义句）
They______ _______ in the park.
6. Mary does her homework in the evening. (改为一般疑问句）
______ Mary _______ her homework in the evening
7. The girls like music because it's exciting. (对划线部分提问）
________ _______the girls like music
8.Her friend has lunch at school.（对划线部分提问)
_______ ________ her friend have lunch
9. What's your favorite sport？（同义句改写）
What sport do you________ ？
10.Ms favorite color is yellow.（对划线部分提问）
_______ _______ your________ color
五、综合填空：根据汉语意思，用方框中所给词语的适当形式填空。
start, in. for, live, watch, subject. at, have, take, do
Sonia is a student. She (1)________far from her school. So she often (2) ________a bus to school. She goes to school (3)__________ 6:30 every morning. She doesn't want to be late.
The first class (4)________ at eight and there are four classes (5) ________the morning. She doesn't go home (6)._________ lunch. She (7)_________ lunch at school.
Sonia has Chinese, English, math and other (8)_________at school. She works very hard. In the evening. she usually (9).________ her homework. She only (10)________TV on Sunday.