更多"[单选题]76. Water is a good _____ for "的相关试题:
[单选题] He earns a good salary, so he ______ be deep in debt.
A. can’t
B. must
C. needn’t
D. should
[单选题] I felt so good because the park got ______.
A. smelly
B. clean
C. local
D. valuable
[单选题]The manager has got a good business. ___, so the company is doing well.
A.idea
B.sense
C.thought
D.thinking
[简答题]水中毒(water intoxication
[判断题]尾部受热面的低温腐蚀是由于SO2 氧化成SO3而SO3又与烟气中水蒸汽结合形成酸蒸汽。( )
A.正确
B.错误
[判断题]尾部受热面的低温腐蚀是由于SO2氧化成SO3,而SO3又与烟气中蒸汽结合,形成酸蒸汽。( )
A.正确
B.错误
[单选题]C（1/2H2SO4）=1mol/LH2SO4溶液，表示1L溶液里含H2SO4为（ ）g。
A.A、49.04
B.B、98.08
C.C、73.56
D.D、88.08
[判断题]You have to drink enough water in order to keep the body hydrated.
A.正确
B.错误
[单选题] I ______ enough water lately.
A. haven’t drink
B. hasn’t drunk
C. haven’t drunk
D. haven’t drank
[判断题]在下列变化中SO2→S，SO2起还原剂的作用。
A.正确
B.错误
[单选题]You need to drink (plenty of) water after the long race.
以下哪个选项可以同义替换括号里的内容？
A.a little
B.a few
C.a lot of
D.many
[单选题]11. If tap water was as dangerous as some people think, _____ would be getting sick.
A.a lot of more us
B.more a lot of us
C.a lot of us more
D.a lot more of us
[单选题] There ______ some water in the glass.
A. is
B. are
C. be
D. has
[单选题]Water Fire Extinguisher的使用时间是______。
A.40秒
B.10秒
C.8秒
D.30秒
[单选题]在同温同压下,相同质量的SO2和SO3的体积之比是( )。
A.1:1
B.4:3
C.4:5
D.5:4
[单选题]工业上对反应2SO2+O2=2SO3+Q使用催化剂的目的是( )
A.扩大反应物的接触面
B.促使平衡向正反应方向移动
C.缩短达到平衡所需的时间,提高SO2的转化率
D.增大产品的产量
[单选题]要同时除去SO2气体中的SO3(气)和水蒸气,应将气体通入( )
A.NaOH溶液
B.饱和NaHSO3溶液
C.浓H2SO4
D.CaO粉末
