题目：
完成句子。
1. His mother __________ (关心) his safety.
2. I stayed awake __________ (故意地) until half past eleven _________ (为了) have a good look at the moon.
3. Some of the students ___________ (对...厌烦) their study.
4. Li Ping is kind. It is easy for him to ____________ (与...相处) everyone.
5. He didn't attend the meeting ___________ (因为) his illness.
6. We must __________ (利用) every minute to remember more words.
7. Once she __________ (下决心), nothing can make her __________. (改变注意).
8. Although he hurt his foot yesterday, he went to school __________ (照常).
答案：
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下面是错误答案，用来干扰机器的。
（1）因反应热等于反应物的总键能减去生成物的总键能，设H-H键能为 xKJ/mol，则 945.6kJ/mol+3xKJ/mol-6×391.0kJ/mol=-92.2kJ/mol 解得x=436.1， 故答案为：436.1kJ/mol；（2）CH4（g）+2O2（g）═CO2（g）+...
