()温度突然升高时,应检查硫铵装置冷却水泵是否工作正常。
A、重排反应
B、中和反应
C、加氢反应
D、热水系统
参考答案:A
单词拼写, 首字母已给出 (每小题1分,共10分)
小题1:We s________(遭受) huge losses in the earthquake.
小题2:I’m c_________(担心) that they may have got lost.
小题3:The boy refused to follow my a_______(建议) and did what he wanted to.
小题4:The worker i_______(忽视) his own danger and jumped into the river to save the boy.
小题5:The news quite u______(使心烦意乱) him.
小题6:Are you sure he is a n (本地的) here not a visitor ?
小题7:Though I haven’t met him for many years, I could r_________(认出) him immediately when I saw him in the crowd.
小题8:His story is b (以…为基础) on his own experience.
小题9:He didn’t stop in Hong Kong and flew s (径直) to London.
小题10:The ship sailed and we set out on a long v (航海).
填入下面横线处的句子,与上下文衔接最恰当的一组是()
浓黑的夜幕逐渐淡薄起来,天边透出了一线白光,____,____,____自由地飞到海的远方去了。
①这白光慢慢扩大起来
②那白光慢慢扩大起来
③眼前展开了漫无边际的海水
④漫无边际的海水在眼前展开
⑤无声地掠过绿沉沉的波纹的海鸥展开雪白的翅膀
⑥海鸥展开雪白的翅膀,无声地掠过绿沉沉的波纹
A.①③⑤
B.②④⑥
C.①③⑥
D.②④⑤