在CIF条件下，由卖方办理投保，而CFR为买方办理投保，因此货物运输途中的风险CIF由卖方承担，CFR则由买方承担。
参考答案：错
A．浓硝酸在光照条件下变黄，说明浓硝酸不稳定，生成的有色产物能溶于浓硝酸
B．在KI-淀粉溶液中通入氯气，溶液变蓝，说明氯气能与淀粉发生显色反应
C．标准状况下，22.4L任何气体中都含有6.02×1023个分子
D．标准状况下，1molH2和O2的混合气体的体积约为22.4L
用所给单词的正确形式填空。
1. This machine ____________(use) for washing clothes. It is called "washing machine".
2. Now most work _____________(can do) by robots.
3. More and more trees ____________(plant) on the mountains soon.
4. There is another way of ____________ (work) out the problem.
5. Don't make them_____________(stand) long outside.
6. "Show me your _____________(driver) license." "Here you are."
7. There have been a few _____________(disagree) between the two parties.
8. I feel ________ (sleep); I'm going to lie down.
9. She tried to stop smoking, and she ________ (success).
10. The matter is of great ________ (important).
