氧的弥散能力是二氧化碳的
A.10倍
B.1/10倍
C.20倍
D.1/20倍
E.40倍
参考答案:D
解析:二氧化碳的弥散能力是氧的20倍。
汽油和柴油能混合使用吗?
In relation to private companies, explain the meaning of, and the procedure for passing, the following:
(b) a written resolution. (5 marks)