普通型携带式电气测量仪表,只准在瓦斯浓度()以下地点使用,并实时监测使用环境的瓦斯浓度。
参考答案:1.0%
辨字组词。
伴( )漠( )糯( )闲( )
拌( )寞( )儒( )娴( )
从Ⅰ栏中找出与Ⅱ栏各句相对应的答语。
Ⅰ
1. What would you like to drink?
2. Could you give this to Jack?
3. What are you looking for?
4. May I borrow your pen?
5. Can I help you, sir?
6. Who is reading English?
Ⅱ
A. Certainly, but where is he?
B. A glass of milk, please.
C. OK, but please give it back soon.
D. Wang Mei.
E. My dictionary.
F. Yes, I'd like some pears.