【题目】溶液、悬浊液、乳浊液它们的共同点( )
A.均一、稳定 B.混合物 C.无色、澄清透明 D.久置后不会分层
科目:初中地理 来源: 题型:
【题目】This is __________ room. My hat is on the chair.
A. I B. your C. he D. my
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科目:初中地理 来源: 题型:
【题目】 —__________?
—It’s warm and sunny.
A. How is it going, Mike B. What do you usually do in summer
C. What’s the weather like today D. How many books are there on your desk
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【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.
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【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
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【题目】人们日常生活中,各种洗涤剂被广泛应用,下列洗涤剂中所用洗涤剂不具有乳化
功能的是( )
A.用汽油除去衣服上的油污
B.用餐具洗洁精清洗餐具上的油污
C.用肥皂液洗衣
D.用沐浴露洗澡
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【题目】t℃时,有一杯接近饱和的硝酸钾溶液,下列做法一定不能使其变为饱和溶液的是( )
A.恒温蒸发溶剂
B.降低溶液的温度
C.向溶液中加入硝酸钾
D.向溶液中加入t℃时硝酸钾的饱和溶液
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科目:初中地理 来源: 题型:
【题目】like,go,she,a,black,at,be,have,and,how
Mrs.Smith 【1】 Jim's mother.She loves her family very much.She【2】 to the store everyday.She often buys food,fnit【3】clothes for Jim and Mr.Smith. Now many clothes are on sale at Renmin Clothes Store.They are 【4】very good prices.Mrs.Smith comes to the store and 【5】wants to buy some clothes.for her family. They 【6】 sweaters in all colors for ¥l5 each and sports shoes foronly ¥28.Mrs. Smith 【7】
the red sweater and she buys one for herself.She buys【8】pair of sports shoes forher son.She buys the socks for her family.【9】much are they? They are 2O yuan.They are 【10】and white.
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