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【简答题】
化学上用______来表示元素原子之间相互化合的数目．一般情况下，在化合物里，氧元素通常显______价；氢元素通常显______价；金属元素通常显______，非金属元素与氧化合时显______．在化合物中，各元素正负化合价的代数和为______．在单质中，元素的化合价为______．
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【简答题】What was the weather like in New York? [A] It was great. [B]It was freezing. [C]It rained much.
【单选题】I was compelled to hear what the great mother said to her child.
A.
forced
B.
excited
C.
frightened
D.
shocked
【单选题】— ______ was the film you saw last night? — It was great! I like it. [ ]
A.
What
B.
How
C.
Where
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【简答题】What was the weather like in New York? [A] It was great. [B]It was freezing. [C]It rained much.
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