照片可以记载历史的瞬间。图2照片记录了共和国外交史上的重大事件是()
A.英国首相访华
B.中美关系开始正常化
C.中美正式建交
D.中国加入WTO组织
参考答案:B
根据下列句子及所给汉语注释,在答题卡上标有题号的横线上,写出空缺处各单词的正确形式.每空只写一词.
1. Simon hates to be like others, so he always does everything ____▲____ (不同).
2. Making a lot of noise and______▲________(打扰)others are impolite.
3. Do you have any ______▲______(困难) with your studies these days?
4. —Who is Daniel ______▲_______(争论) with? —His best friend, Simon.
5. His mother is much _____▲______ ( 严格的 ) with him than his father.
6. They are wet all over ____▲______(可能)because of the heavy rain.
7. He wanted to join the club,but was____▲____(拒绝).
8. My penfriend in the USA hasn’t ___▲_____ (答复) to my last three e-mails yet.
9. My twin brothers ____▲_______(更喜欢) to walk to school when they were in high school.
10. You shouldn’t leave a child ▲ (单独)in the house.
市场上有一种“冷敷袋”,其主要成分由水和物质A组成,使用时只要将水和物质A混合,轻轻摇晃,就可作冰袋使用。其中物质A可能是[ ]
A.氯化钠
B.硝酸铵
C.氢氧化钠
D.氧化钙