中国近代史以鸦片战争为开端，主要依据是 [ ] A．中国第一

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问题选择题

中国近代史以鸦片战争为开端，主要依据是 [ ]

A．中国第一次被西方国家打败

B．长期闭关锁国的状况被打破

C．社会性质开始发生根本转变

D．民族矛盾开始成为主要矛盾

答案

答案：C

单项选择题

血友病检查的确诊试验是

A．STGT及纠正试验
B．凝血因子活性检测
C．复钙交叉试验
D．血小板聚集试验
E．FDP检测

填空题

根据下列句子的意思及所给的汉语、英语及首字母提示，写出空缺处词语的正确形式。

1. He was so sleepy that he could h________ keep his eyes open.

2. Tom is ________(thin) in his class.

3. All the ________(thief) have been caught.

4. I can't buy that book. I have ________(用完) my money.

5. My mother often ________(鼓励) me to be brave when I was very young.