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【简答题】
 下表是周期表中的一部分,根据 A-I在周期表中的位置,用元素符合或化学式回答下列问题: 族 周期 IA IIA IIIA IVA VA VIA VIIA 0 1 A 2 D E G 3 B C J F H I (1)表中元素,化学性质最不活泼的是________,可用于制半导体材料的元素是________。 (2)B的简单阳离子结构示意图为________。 (3)在B、C、D、E、F中,原子半径最大的是________。 (4)A分别与D、E、G形成的化合物中,最稳定的________。 (5)最高价氧化物的水化物碱性最强的是________,酸性最强的是________。呈两性的是________。
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very
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so
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too
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enough
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nervous
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【单选题】When you drive, you can't be ____ careful.
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very
B.
too
C.
so
D.
only
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【判断题】我们要培养法治思维,抛弃人治思维。
A.
正确
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错误
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【单选题】Hurry up!  Or you will the early bus. You can't be late for school. [     ]
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catch
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miss
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show
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take
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【单选题】You can't be serious.这句话中的调冠是?
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you
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can't
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be
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serious
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【单选题】The last paragraph suggests that Thomas ______.
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works full-time in a diabetes charity
B.
employs 22 people for his website
C.
helps diabetics in his own way
D.
ties to find a cure for diabetes
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相关题目：
【单选题】you can't be ___ careful when you drive a car.
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very
B.
so
C.
too
D.
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查看完整题目与答案
【单选题】—I always look out before crossing the street. —You are right. You can't be too______.
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【简答题】What is the best title of the passage? [ A] An Idea to Have a Good Time [ B ] Charity s around the World [ C ] UK Summer Music Festivals [ D] Superstars ' Performances in the Charity s
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A.
catch
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【单选题】The last paragraph suggests that Thomas ______.
A.
works full-time in a diabetes charity
B.
employs 22 people for his website
C.
helps diabetics in his own way
D.
ties to find a cure for diabetes
查看完整题目与答案