【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 |
科目:初中地理 来源: 题型:
【题目】My friend Sally is a sports fan(爱好者). She has a great sports collection. She has three soccer balls, five baseballs, six volleyballs and two basketballs. They are all under her bed. Sally plays basketball very well. She likes(喜欢) Kobe. She thinks he is the best(最好的)basketball player运动员) in America and she also(也)likes Yao Ming from(来自)China. Sally plays baseball very well, too. Now she is in her school baseball club.
【1】Sally has ____ volleyballs.
A. six B. five C. three
【2】Kobe is a ______.
A. basketball player B. teacher C. baseball player
【3】Sally plays ______ very well.
A. soccer and basketball B. volleyball and baseball C. basketball and baseball
【4】Sally is ______.
A. in her school basketball club B. a sports fan C. Kobe’s sister
【5】We(我们)can find(找到)_____ under Sally’s bed.
A. some notebooks B. a watch C. a great sports collection
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科目:初中地理 来源: 题型:
【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。
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科目:初中地理 来源: 题型:
【题目】 I like __________ and __________.
A. tomato, rices B. tomatoes, rice
C. tomatoes, rices D. tomato, rice
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【题目】 —What do you expect __________ from your hard work?
—Nothing, I just want to try my best.
A. get B. got C. getting D. to get
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科目:初中地理 来源: 题型:
【题目】关于金属在自然界中存在形式的说法中正确的是(双选)( )
A.金、银可在自然界中以单质形式存在,是因为它们的活动性很弱
B.在自然界中很难找到以单质形式存在的金属,是因为金属资源太少
C.在自然界中存在最多的单质是铁
D.金属矿物广泛存在于地壳和海洋中
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科目:初中地理 来源: 题型:
【题目】为节约资源保护环境,提倡垃圾分类回收下列生活垃圾可与铝制易拉罐归为一类加以回收的是( )
A.废旧书报 B.旧玻璃瓶 C.废弃铁锅 D.一次性塑料饭盒
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