问题
选择题
| There are two________ students in our school. |
A. hundreds B. hundred of C. hundred D. hundreds of |
答案
答案：C
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| There are two________ students in our school. |
A. hundreds B. hundred of C. hundred D. hundreds of |
答案：C
qZ(g) ΔH＞0，m＋n＞q，在体积一定的密闭容器中达到平衡，下列叙述正确的是