【题目】从组成上看,溶液是由________和________组成的;从质量上看,溶液的质量________溶质和溶剂的质量之和;从体积上看,溶液的体积______溶质和溶剂的体积之和。
科目:初中地理 来源: 题型:
【题目】南极是世界上最冷的地方,常年平均气温是-25℃,一天企鹅妈妈与小企鹅之间发生了一次有趣的对话,它们的部分说法如下,其中正确的是( )
A. 小企鹅:妈妈,这么冷,我都没温度了。
B. 企鹅妈妈:不对,是没有内能。
C. 小企鹅:冰天雪地的,可能连水蒸气都没有吧。
D. 企鹅妈妈:呵呵,水蒸气倒肯定有,因为冰是可以升华的呀。
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科目:初中地理 来源: 题型:
【题目】补全对话(5小题,每小题2分,共10分)
从方框中选择适当的句子补全对话,有两项多余。
Tony: How many people are there in your family?
Betty: 1 .
Tony: Have you got any grandparents?
Betty: 2 .
Tony: Where do they live?
Betty: 3 .
Tony: 4 .
Betty: Yes. My father has got a sister. And my mother has got a brother.
Tony: 5 .
Betty: Yes, I have got a dog at home. I like it very much.
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【题目】英国科技人员研制出自动灭火陶瓷砖,砖里压入了一定量的氦气和二氧化碳。这种砖砌成的房屋发生火灾时,在高温烘烧下,砖会裂开并喷出氦气和二氧化碳,从而抑制和扑灭火焰。自动灭火陶瓷砖的灭火原理是( )。
A.清除可燃物
B.使燃烧物与氧气隔绝
C.降低燃烧物的着火点
D.使燃烧物的温度降低到着火点以下
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【题目】B
June is from England. Her family are in Beijing now. She is fourteen years old. The date of her birth is September seventh. Her father, Mr Smith, is an English teacher. And her mother, Mrs Smith, is an English teacher, too. They all like Chinese movies. Mr Smith likes action movies. He thinks they are really exciting. His favorite actor is Jet Li. Mrs Smith likes Beijing Opera. She thinks she can learn much about Chinese history by seeing them. And June herself likes comedies. Her favorite actor is Zhao Benshan. She thinks he is very funny. She also thinks Zhao Benshan’s movies are better(更好) than Rowan Atkinson’s. Mr Smith and Mrs Smith like Beijing Roast Duck(北京烤鸭). They often go to Quanjude to have it.
【1】June is __________.
A. a Chinese boy B. a Chinese girl
C. an American girl D. an English girl
【2】 June is ___________.
A. twelve B. thirteen C. fourteen D. fifteen
【3】 June’ s birthday is ________.
A. December seventh B. September seventh
C. December eleventh D. September eleventh
【4】 ________ likes action movies.
A. June B. Mr Smith C. Mrs Smith D. Nobody
【5】 ________ like(s) Beijing Roast Duck.
A. June B. Mr Smith
C. Mrs Smith D. Mr Smith and Mrs Smith
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科目:初中地理 来源: 题型:
【题目】区别下列各组物质,所选择的试剂或方法正确的是( )
选项 | 需区别的物质 | 选择的试剂或方法 |
A | 水与氨水 | 酚酞试液 |
B | 氢气和甲烷 | 点燃,观察火焰颜色 |
C | 氮气与二氧化碳 | 燃着的木条 |
D | 二氧化碳和一氧化碳 |
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科目:初中地理 来源: 题型:
【题目】 —__________?
—Yes, please. I want a sweater.
A. How much B. Can I help you
C. Excuse me D. What will you take
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