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【单选题】普通型携带式电气测量仪表,必须在瓦斯浓度( )以下的地点使用,并实时监测使用环境的瓦斯浓度。
A.
1%
B.
2%
C.
3%
D.
4%
【简答题】头文件stdio.h的文件名,是C语言系统标准库函数中有关____函数的英文简略缩写形式。
【单选题】Part I Listening Comprehension Section A Directions: In this section, you will hear several short conversations. At the end of each conversation, a question will be asked about what was said. Both th...
A.
Follow the directions.
B.
Practise working together.
C.
Carry the parts together.
D.
Overcome any difficulties.
【简答题】Task 5 Directions: Read the following passage. After reading it, you should give brief answers to the 5 questions (No.56 to No.60) that follow. The answers (in no more than 3 words) should be written...
【单选题】普通型携带式电气测量仪表,必须在瓦斯浓度( )以下的地点使用,并实时监测使用环境的瓦斯浓度。
A.
0.5%.
B.
1.0%.
C.
1.5%.
D.
2.5%.
【简答题】A Work in groups of three. S1 should read the question, and S2 should answer it. S3 must agree with S2 using so, neither or nor. Follow the example. 1 S1: Do you like to play sports? (Yes) S2: Yes, I...
【简答题】Directions: The following passage is a notice. After reading it, you should give brief answers to the 5 questions (No.1 to No.5) that follow. The answers ( in no more than 3 words) should be written a...
【单选题】普通型携带式电气测量仪表,必须在瓦斯浓度()%以下地点使用,并时时监测使用环境的瓦斯浓度。
A.
0.2
B.
0.5
C.
1.5
D.
1
【单选题】普通型携带式电气测量仪表,必须在瓦斯浓度——以下的地点使用,并实时监测使用环境的瓦斯浓度.
A.
0.5%
B.
1%
C.
2%
D.
5%
【单选题】普通型携带式电气测量仪表,必须在瓦斯浓度为( )以下的地点使用,并实时监测使用环境的瓦斯浓度。
A.
1.0%
B.
1.2%
C.
1.5%
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