问题
选择题
| 符合如图意义的反应是（ ） A．2HI（g）⇌I2（g）+H2（g）；△H＜0 B．N2（g）+3H2（g）⇌2NH3（g）；△H＜0 C．Fe3+（aq）+3H2O（l）⇌Fe（OH）3（胶体）+3H+；△H＞0 D．C（s）+CO2（g）⇌2CO（g）；△H＞0  |
答案
答案：C
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| 符合如图意义的反应是（ ） A．2HI（g）⇌I2（g）+H2（g）；△H＜0 B．N2（g）+3H2（g）⇌2NH3（g）；△H＜0 C．Fe3+（aq）+3H2O（l）⇌Fe（OH）3（胶体）+3H+；△H＞0 D．C（s）+CO2（g）⇌2CO（g）；△H＞0 |
答案：C
补全对话（根据已给出的内容，补全对话。每题2分，共10分。） A:Good afternoon. May I 小题1: ________________ _______________ ? B.Yes. 小题2: _________________ vegetables in the beef soup? A:Yes. There are some tomatoes. . B: OK. We’d like one bowl of beef soup.
B: Large, please. C: We’d also like gongbao chicken and some mapo tofu with rice. A: OK. 小题4:____________________________________, one gongbao chicken and one mapo tofu with rice. B:Yes, 小题5: _____________________________ . |