风险与不确定性的联系在于( )。 A．风险是现在发生结果的不

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问题单项选择题

风险与不确定性的联系在于( )。

A．风险是现在发生结果的不确定性
B．项目出现不确定性的概率越大，风险越大
C．项目出现不确定性的概率越小，风险越大
D．风险是未来发生结果的不确定性

答案

参考答案：D

听力题

单词拼写（共10分）

注意：答题纸上需写完整单词

1. Good parents are always c________ about how their children are getting along with their education.

2. Some people like （遛）_______ their dogs after supper.

3. Putonghua is the o________ language of China.

4. Our baby is just starting to talk; he has got a v________ of about ten words.

5. Lady Gaga is said to have _________ （毕业） from New York University before 2006. But in fact, she didn’t.

6. Peter’s ________ (态度) towards women really scares me.

7. Wenchuan was badly d_________ in the earthquake in the year 2008.

8. Don’t worry. Progress will be made ________ (渐渐地).

9. As an adult, you have the right to _______ (投票).

10. P________ Hu Jintao has won a better fame over Obama.

填空题

现有下列物质：①氩气、②二氧化硅、③硬水、④锰酸钾、⑤四氧化三铁、⑥冰水共存物、⑦干冰、⑧空气、⑨锌，请用序号填空：

（1）属于混合物的是，（2）属于金属单质的是，

（3）属于非金属氧化物的是，（4）含氧分子的是，

（5）含有＋6价元素的纯净物。