热水锅炉因水循环不良造成锅炉汽化时,应当()。
A.升高运行压力
B.向锅炉补水
C.减弱燃烧
D.立即停炉
参考答案:D
根据汉语及首字母提示,完成单词。
1. William Shakespeare was one of the greatest________ (作家) in the world.
2. The boy could read five________ (诗歌) when he was two years old.
3. My mother________ (加入) the Party ten years ago.
4. Betty m________to China with her parents in 2002.
5.The old man was the r________in the village,but he wasn't happy at all.
四川中西学堂由四川总督()创立。