问题
选择题
下列反应中，水只作还原剂的是[ ]
A．CaO+H2O==Ca(OH)2
B．C+H2O==CO+H2
C．2F2+2H2O==4HF+O2
D．3NO2+H2O==2HNO3+NO
答案
答案：C
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下列反应中，水只作还原剂的是[ ]
A．CaO+H2O==Ca(OH)2
B．C+H2O==CO+H2
C．2F2+2H2O==4HF+O2
D．3NO2+H2O==2HNO3+NO
答案：C
| 阅读下面对话，从方框内7个选项中选择5个恰当的选项完成此对话，使其意思完整。 | |
| (D=Daniel; L=Linda) D: Hello, Linda. Nice to meet you. L: Hello, Daniel. 1.______ D: You see, summer holiday is coming. 2.______ L: I'm going to travel to the Shanghai Expo Garden. D: 3.______ By the way, will you go there alone? L: 4.______ My cousin will go with me. D: 5.______. L: We'll start on July 8. D: I think you will enjoy yourselves there.
|
