煤的含灰量越多时发热量就会()。
A.降低
B.升高
C.不变
参考答案:A
党和国家制定路线、方针、政策的出发点和立足点是
A.坚持解放思想、实事求是 B.社会主义的本质的理解C.社会主义初级阶段的国情 D.“三个有利于”标准
用所给单词的适当形式填空。
1. There isn't ( someone) at the school gate.
2. Can you see any ( mouse) in the room?
3. Don' t forget to turn off the light before (go) out.
4. She is too shy, so she doesn't know what ( say) .
5. Li Ping often helps me ( do) my homework .