【題目】一We're going to have a basketball match with Class 3.
一 .
A. Wish you good luck B. Let me see
C. Thank you D. Have a good time
科目:初中地理 來源: 題型:
【題目】某興趣小組利用家中的材料研究影響物質(zhì)溶解性的因素,實驗步驟設(shè)計如下:
Ⅰ.稱取六份冰糖和一份食鹽,每10g為一份,并將其中五份冰糖研磨成粉末.
Ⅱ.按照下表進(jìn)行實驗(實驗所需儀器略)
第一組 | 第二組 | 第三組 | 第四組 | ||||
實驗溫度 | 20℃ | 20℃ | 20℃ | 20℃ | 20℃ | 20℃ | 80℃ |
固體種類 | 冰糖 | 冰糖 | 冰糖(粉末) | 冰糖(塊狀) | 冰糖 | 食鹽 | 冰糖 |
固體質(zhì)量 | 10g | 10g | 10g | 10g | 10g | 10g | 10g |
溶劑種類 | 水 | 植物油 | 水 | 水 | 水 | 水 | 水 |
溶劑質(zhì)量 | 50g | 50g | 10g | 10g | 10g | 10g | 10g |
請你對他們的實驗設(shè)計進(jìn)行分析:
(1)根據(jù)上述設(shè)計,你認(rèn)為他們準(zhǔn)備研究的影響因素是________________________________,其中不影響物質(zhì)溶解性的因素是________________________________________.
(2)根據(jù)第四組實驗與前三組實驗的比較,你可以得到的結(jié)論是________________________.
(3)你認(rèn)為第四組實驗的設(shè)計是否會影響實驗結(jié)論的得出,請簡述理由:________________________________________________________________.
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【題目】 He needs __________ hamburgers because he is very hungry.
A. two more B. more two
C. other two D. two another
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【題目】—__________ do you go to visit your grandparents?
—Less than three times a month.
A. How long B. How often
C. How much D. How many
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【題目】溶液是由一種或幾種物質(zhì)分散到另一種物質(zhì)里,形成的________而________的混合物.能溶解其他物質(zhì)的物質(zhì)叫做________,被溶解的物質(zhì)叫做________.溶液由________在________里溶解而成.如碘酒中碘是________,酒精是________.固體、氣體溶于液體時,________是溶質(zhì),________是溶劑.兩種液體相互溶解時,通常把量多的一種叫做________;當(dāng)其他液體和水相互溶解時,通常都習(xí)慣把水看作溶劑.通常沒有指明溶劑的溶液,一般是指________.水是最重要的溶劑,但卻不是唯一的溶劑.
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【題目】溶液對人類的生產(chǎn)、生活都有很重要的意義。下列關(guān)于溶液的說法或做法錯誤的是( )
A.夏天喝的汽水不是溶液
B.蛋湯太咸,加水稀釋后口味變淡
C.魚塘中放置噴泉水泵的作用是增加水中氧氣的溶解量
D.涼茶水是均一、穩(wěn)定的混合物
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【題目】Lisa has an interesting hobby. She likes collecting stamps(郵票).She usually collects stamps after school. Now she has five hundred stamps from all over the world. And four hundred of them are in colour.
Lisa likes stamps with pictures of animals in them. In this way,she knows the names of many animals. She also borrows books about animals from her school library. She learns a lot about them.
Sometimes Lisa has many stamps of the same kind. So she usually gives them to her friends. Then they give her other stamps.
Lisa writes to her friends in many countries. She sends them stamps of her own country. And her friends send her stamps of their countries. Lisa's father also buys stamps for her. Many of Lisa's friends collect other things. Some collect coins(硬幣)and others collect cards.
【1】How many colour stamps does Lisa have?
A. One hundred. B. Four hundred.
C. Five hundred. D. Nine hundred.
【2】Why does Lisa like stamps with pictures of animals in them?
A. Because she wants to feed some animals.
B. Because she can make much money.
C. Because she can know the names of many animals.
D. Because she will borrow some animals from her friends.
【3】Sometimes Lisa has many stamps of the same kind. She usually .
A. keeps them
B. throws them away
C. sells(賣)them to her friends
D. sends them to her friends
【4】Which of the following is TRUE according to the passage?
A. Lisa writes to her friends in many countries.
B. Lisa's mother often buys stamps for her.
C. Lisa's stamps are all in colour.
D. Lisa borrows books about stamps from her school library.
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【題目】—Did you go ________?
—Yes, we went to New York City.
A. somewhere interesting B. anywhere interesting
C. interesting somewhere D. interesting anywhere
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【題目】
【1】This bike is eightydollars.( 對畫線部分提問)
____ _____is this bike?
【2】How about these red and blue T-shirts?( 改為同義句)
____ _____these red and blue T-shirts?
【3】Mr.Cool's store sells bags.(改為否定句)
Mr.Cool's store ____ _____bags.
【4】How much is the sweater?( 改為同義句)
____ the ___ of the sweater?
【5】I want a green T-shirt.(對畫線部分提問)
____ _____you want?
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