【題目】下列說法中不正確的是( )
A.溶質(zhì)的分子(或離子)和水分子作用,生成水合分子(或水合離子)的過程放出熱量
B.溶質(zhì)在溶解的過程中,有的放出熱量,有的吸收熱量
C.溶解過程中吸熱過程是溶質(zhì)的分子(或離子)和水分子作用,生成水合分子(或水合離子)的過程
D.有的溶質(zhì)溶解時(shí),擴(kuò)散過程吸收的熱量小于水合過程放出的熱量,表現(xiàn)為溶液的溫度升高
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科目:初中地理 來源: 題型:
【題目】C
Hi, I’m Tina. This is a photo of Class 18. This class has twenty-five students, twelve girls and thirteen boys. These are Amy and Bob. Amy is Bob’s sister. Amy is 12 and Bob is 13. Amy likes English and math. Bob likes music. He has a CD collection. This is Bruce. He is 14. He likes sports and he has a sports collection. Jerry is a teacher. He is thirty-four years old. He likes blue, black and green. Many of his clothes are in these colors. Do you know the relationship between Jerry and Bruce? Aha! Jerry is Bruce’s uncle. And you can call him at 0543—3617625.
【1】_________ girls are in Class 18.
A. 12 B. 13 C. 24 D. 25
【2】 Bruce likes _________
A. sports B. English C. music D. white
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A. 關(guān)系 B. 性別
C. 愛好 D. 差異
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A. Jerry B. Amy C. Bruce D. Tina
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A. card number B. telephone number
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【題目】請(qǐng)你個(gè)舉一個(gè)實(shí)例,說明下列有關(guān)溶液的敘述是錯(cuò)誤的.
(1)溶液一定是無色的
實(shí)例:_____________溶液不是無色的;
(2)均一、穩(wěn)定的液體都是溶液
實(shí)例:_________是液體,但不是溶液;
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科目:初中地理 來源: 題型:
【題目】一How far is your school from here?
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