使用二氧化碳灭火器时应距离着火点上风头()m左右进行灭火。
A、2
B、3
C、4
D、5
参考答案:D
我能照样子写词语。
动静
弯弯曲曲
根据句意及首字母提示补全单词。
1. People can enjoy n_______ in the countryside. The air is fresher and the sky is bluer there.
2. She c_______ the table with a cloth yesterday.
3. In the o_______, there are all kinds of fishes.
4. She was full of j_______ because her parents love her.
5. Thousands of old trees were in the f_______ ten years ago, but now there are few.