加强规章制度正规化建设的核心，就是要尽快建立与国家公务员制度相衔接，与《人民警察法》相配套，体现公安机关特点的公安民警管理制度。( )
参考答案：对
用所给动词适当形式填空：
1. Wang Fang rushed into Mr Sun's kitchen ________ (save) him.
2. They ________ (go) to Hainan by air next month.
3. Must I ________ (finish) this work today?
4. I ________ (hurt) my leg just now, so I couldn't go out of the room.
5. They ________ (plan) to go for a picnic, don't they?
6. We're looking forward to ________ (row) a boat in the park.
7. Were you able ________ (ride) a bike two years ago?
8. I heard someone ________ (cry) in the next room a moment ago.
9. Look! How happy your mother________ (look)!
10.—________ Nike ________ (watch) the game this weekend?
—No, he isn't.
下列物质的熔点由高到低排列，其顺序正确的是（）。
A．HI＞HBr＞HCl＞HF
B．HF＞HI＞HBr＞HCl
C．SiC＞SiCl4＞Ca0＞MgO
D．SiC＞CaO＞MgO＞SiCl4
