高铁电池是新型可充电电池，与普通高能电池相比，该电池放电时能长时间保持稳定的电压

用所给词语的适当形式填空。

1. Look! The baby has three _____ ( tooth ) now.

2. Spring Festival is the Chinese _____ ( tradition ) festival.

3. To stay _____ ( health ), you should eat more vegetables but less meat.

4. He has a _____ ( tooth ). He has to see the dentist.

5. You have a bad cold. You had better _____ ( see ) the doctor.

6. She stays in bed because of her _____ ( ill ).

7. Why are some people always _____ ( stress ) out?

8. Don't ask us to do too much homework. We need time _____ ( play ).

9. I'm not feeling _____ ( good ) today. I have a headache.

10. He feel ill. He doesn't feel like _____ ( do ) anything.

臭氧在常温下分解后与人体接触可产生何种反应（）。

A.呼吸加速

B.头痛

C.皮肤刺激

D.心率加快

E.无不适反应

DCS系统的接地，应该是（）。

A.安全保护接地

B.仪表信号接地

C.本安接地

D.以上都是

请依据资料，简要分析归纳沈浩的先进事迹中所体现出的精神。
要求：准确精要，条理清楚，逻辑严谨，语言简洁。限250字以内。

盐雾试验的英文缩写是（）。

A.ST

B.YW

C.SST

D.YL