矿井中一氧化碳和硫化氢的最高允许浓度分别是多少？
参考答案：
一氧化碳0.0024%硫化氢:0.00066%
The majority of the 1. 3 millon people who voted online were _______ the new
public－holidy plan and the minority against it. [ ]
A. in case of
B. in favour of
C. in place of
D. in honor of
肺结核的症状不包括低热，脸颊、手心、脚心潮热感。
