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【简答题】
用化学符号表示： 1）空气中含量最多的物质是___________ 2）地壳中含量最多的金属元素和非金属元素组成的化合物是__________ 3）两个氦原子__________ 4）硝酸根离子__________ 5）铁元素为+2价的氧化物___________ 6）电解水中没有发生变化的最小粒子___________
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【简答题】听第一段对话，回答第1小题。 1. What did the woman do last night? A. She went to a party. B. She went to school. C. She went to work.
【简答题】听1段对话，回答1-2小题。 1. What did the woman do last night? [ ] A. She went to the cinema. B. She went to a restaurant C. She watched TV at home. 2. What did the man do last night? [ ] A. He stayed at...
【简答题】She went to Hangzhou by train last night . She _______ be at home now .( )A. must not B. may not C. can't D. D:\
【单选题】Last night she went shopping and bought_____.
A.
a pair of shoe
B.
a pair of shoe s
C.
a piece of shoes
【单选题】Last night she went shopping and bought at the market.
A.
a piece of trouser
B.
a pair of trouser
C.
a piece of trousers
D.
a pair of trousers
【简答题】完形填空。 A girl complained to her father about her hard life. She wanted to 1 because she didn't know what she had to do. She felt 2 of fighting and fighting. When one 3 had been solved, another just cam...
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