在噪声对听觉系统损伤的发病过程中，最具特征性的表现是（）。A

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问题单项选择题

在噪声对听觉系统损伤的发病过程中，最具特征性的表现是（）。

A．早期高频段听力下降

B．早期属于功能性听觉敏感性下降

C．晚期听频段听力下降

D．听阈升高在后期不能恢复到正常的水平

E．听力下降呈递减性，选快后慢

答案

参考答案：D

填空题

用所给词的适当形式填空。

1. Do your homework as _________ (careful) as you can.

2. Why did Jack look _________ (happy)? Because he failed his math exam.

3. ________ (luck), we didn't miss the concert that day.

4. A young man was seen _________ (run) down that street at 10 pm last night.

5. We are very ________ (pride) of our country.

6. In the_________ (west) parts of China, many people are still poor.

7. You had better _________ (finish) your homework before you go to bed.

8. Sports and art activities make our school life ________ (color).

9. For ________ (far) information, please call me.

10. If you want to keep fit, you need to eat ________ (health)

多项选择题

国有企业进行改制时，转让产权的价款，应优先支付的有( )。

A．解除劳动合同职工的经济补偿金

B．欠缴的社会保险费

C．拖欠其他国有企业的货款

D．拖欠职工的债务