题目内容
【题目】某初三年级的同学正在筹备毕业晚会，预定有以下饮料，其中不属于溶液的是（ ）
A．啤酒
B．酸奶
C．矿泉水
D．可口可乐
【答案】B
【解析】酸奶属于乳浊液，不是溶液，其他物质都属于溶液．
【题目】化工生产中为了加快反应速率，常常先把反应的固体配成溶液再两两混合。
（1）在农业上，为了合理使用农药，常把不溶于水的固体或液体农药配成 _________ 或 _________ ，用来喷洒受病虫害的农作物。
（2）用X射线检查肠胃病时，医生会让病人服用“钡餐”来辅助检查，“钡餐”就是
硫酸钡 （溶液、悬浊液、乳浊液）。
【题目】名称中有“水”字的物质不一定都是溶液，下列有“水”字的物质属于溶液的是
（ ）
A．硬水 B．油水 C．泥水 D．蒸馏水
【题目】用括号里所给单词的适当形式填空。
【1】 I am watching my dog __________ (play) with a ball now.
【2】 Children often enjoy __________ (play) computer games.
【3】 __________ (take) a bus from Sixth Avenue and go down Bridge Street.
【4】 Walk down New Street and turn left at the first __________ (cross).
【5】 Do you want __________ (buy) books?
【题目】相信你会辨别：
写出下列溶液中的溶质、溶剂：
溶液
氯化钠溶液
高锰酸钾溶液
过氧化氢溶液
碘酒
澄清石灰水
盐酸
溶质
溶剂
由上（并结合书本）可知：
（1）________是最常见的溶剂．
（2）溶质状态可以是________________________．
（3）固体、气体与液体混合，________是溶剂．
液体与液体混合，有水的，水是________；无水的，量多的是________．
小窍门：可以根据________________辨别出溶质、溶剂．
【题目】 根据句意和汉语提示写出单词。
【1】Daniel with his classmates often _______ (借) many books from the school library,
【2】I like _______ (地理)best, because 1 like travelling.
【3】There are all _______ (种类)of books in our school library.
【4】After _______ (课)， we often say goodbye to our teacher.
【5】Don't frighten (吓唬)him. He is _______ (仅仅) five years old.
【题目】A man once bought a parrot. The man let him fly freely all over the house instead of putting him in the cage. The parrot was pleased with that and flew from room to room，screaming with happiness.
"Who on earth are you?" said a voice from below. "Don't make that terrible noise any more."
The parrot saw a cat staring(盯着)up at him from the floor.
"I'm a parrot. 1've just arrived and I'm to make as much noise as I can，”he said.
"Well，I've lived here all my life, " answered the cat. "I was born in this house and I learnt from my mother that it is the best to keep quiet here."
"Keep quiet then，" said the parrot happily. "I don't know what you do around here, but I know my job. My master bought me for my voice and I'm going to make sure he hears it."
【1】The underlined word "master" means " " in Chinese.
A. 爸爸 B. 主人 C. 哥哥 D. 亲戚
【2】There are kinds of animals in the passage.
A. four B. three C. two D. one
【3】The cat asked the parrot to
A. listen carefully B. keep noisy
C. keep quiet D. do his job
【4】From the passage we know .
A. everyone should do his job
B. the cat sleeps every day
C. the parrot is not free
D. the cat has just arrived at the house
【题目】Ⅲ. 根据要求完成下列句子。
【1】They played volleyball yesterday afternoon. (改为一般疑问句)
________they ________ volleyball yesterday afternoon?
【2】I went to Central Park with my sister on Sunday. (改为否定句)
I ________ ________ to Central Park with my sister on Sunday.
【3】Lucy bought a watchphone ten minutes ago. (对画线部分提问)
________ ________ Lucy ________ ten minutes ago?
【4】Jack is watching a football game on TV now.
(用last night替换now)
Jack ________ a football game on TV last night.
【5】My father went to Beijing yesterday. (对画线部分提问)
________ ________ your father ________ yesterday?
【题目】下列关于溶解度的说法正确的是（ ）
A.100g水溶解20g某物质刚好饱和，则该物质的溶解度为20g
B.20℃时，100g水中溶解了10g某物质，在20℃时，该物质的溶解度为10g
C.20℃时，50g水最多可溶解18g食盐，则20℃时，食盐的溶解度为18g
D.20℃时，32g硝酸钾需要100g水才能恰好完全溶解，则20℃时硝酸钾的溶解度为32g
