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八年级下册英语Unit8语法与考点精练
语法精练
一、根据句意在空白处填入一个适当的单词或用所给词（组）的正确形式填空。
1. My brother (not buy)that science fiction yet.
2.The Shenzhou-17 astronauts (return)to Earth safely on October 30,2024.
3.Eric (learn)many things since he became interested in science.
4. (have)David ever (visit)the science museum
5. I saw Julia in April and I (not see)her since then.
二、选择填空。
( )6.-Would you like to see the movie Creation of the Gods I Kingdom of Storms this evening
-Oh, it's a good movie. But I it already.
A.saw B. have seen C. see D. will see
( )7.—Would you like something to drink
-No, thanks. I some tea already.
A. have drunk B. was drinking C. will drink D. drink
( )8.—What good books did you read recently
—I Tales of China since last year, and now the third time.
A.read B. am reading C. have read D. will read
( )9.— you about Naxi Ancient Music yet
-Yes, I have. It is a part of Naxi culture.
A.Has; heard B.Have;heard
C.Did;hear D. Do;hear
( )10.—Mike, why are you standing outdoors
—I my keys. I have to wait here until my mother comes back.
A. have lost B. will lose C. had lost D. lose
考点精练
考点一：already 与yet的辨析
【精讲】二者均为副词，用于完成时态，意为“已经”。但用法有所不同。
①already 意为“已经”，用于肯定句中，强调某事已经发生；也可用于疑问句或否定句的句末，表示惊讶。
②yet 意为“已经；还”，一般用于否定句和疑问句，用来谈论尚未发生但可能发生的事。
【精练】
( )1. We're worried about Mike, because we haven't received a letter from him .
A.already B.ever C.yet D.never
( )2.-Have you been to Shanghai
-Yes, I've been there twice.
A.already;already B.already;yet
C.yet;already D.yet;yet
考点二：else与other 的辨析
【精讲】①else 作形容词时，意为“另外的；其他的”，修饰疑问代词、疑问副词或不定代词，放在这些词之后作后置定语。此外else还可作副词，意为“否则；不然的话”。
②other 作形容词，意为“其他的；另外的”，修饰名词多放在名词之前作前置定语。
【精练】
( )3. Please don't go. I have to tell you.
A.other something B.something other
C.else something D.something else
( )4. I can see tigers, pandas, monkeys and animals in the zoo.
A.other some B.some other C.else some D.some else
考点三：such as与for example的辨析
【精讲】①such as 用来列举事物，对前面提到的名词进行举例说明，放在名词和被列举的事物之间，as后面不可以加逗号。
②for example 常用来举例以证明论点或表明观点，一般只列举同类人或物中的一个，在句中往往作插入语，用逗号与其他成分隔开；位置比较灵活，可以放在句首、句中或句末。
【精练】
5.学生们喜欢吃垃圾食品，例如他们午饭经常吃汉堡包。
Students like junk food, ,they often eat hamburgers for lunch.
6.像猫、狗这样的温血动物，不需要冬眠。
Some warm-blooded animals cats and dogs don't need to hibernate.
考点四：the number of 与 a number of的辨析
【精讲】①the number of 意为“··的数量”，后接复数名词，作主语时，谓语动词用单数形式，表语常是数词，也可接large,small等作表语。
②a number of 意为“许多的”，相当于 many,修饰可数名词复数，作主语时，谓语动词用复数形式。number 前可加 small,large,great等表示程度。
【精练】
( )7.-How many boys are there in your class
- them twenty-three.
A.A number of;are B. The number of;are
C. The number of; is D.A number of; is
( )8. books on the shelf is about one thousand and them are on sale.
A. The number of; a number of B. The number of; the number of
C. A number of; the number of D.A number of; a number of
考点五：belong to 与have的辨析
【精讲】①belong to 意为“属于”，主语通常为物，强调某物属于某人。
②have意为“拥有”,主语通常为人,强调某人拥有某物。
【拓展】belong to后接名词或代词宾格形式作宾语。belong to sb. 相当于 be sb.'s。
【注意】belong to 既不能用于进行时态；也不能用于被动语态。
【精练】
( )9.Success hard-working people in the end.
A.agrees to B. talks to C. belongs to D.shouts to
( )10.-Are these books yours, Mike
-No, they aren't. They belong to .
A.him B.his C.hers D.she
( )11.-Whose jacket is this
-I think it Tom. He loves the color of pink.
A. belongs to B.is belonging to
C. belonged to D. has belonged to
12.Alice has a dictionary.(改为同义句)
The dictionary Alice.
参考答案
语法精练
一、1. hasn’t bought 2. returned 3. has learned 4. Has; visited 5.haven't seen
二、6-10 BACBA
考点精练
1~4.CCDB 5.for example 6. such as 7~11.CACAA 12. belongs to
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