更多"[单选题]( )This is a subject so p"的相关试题:
[单选题]-Well, they got there last Wednesday. So about a week______
A. When did your parents arrive at Paris?
B. How long have your parents been in Paris?
C. Did your parents arrive at Paris last Wednesday?
D. When will your parents go to Paris?
[单选题]-Is there a table for 4, please? ___ please. Is the one near the back door OK?
A. Take your time
B. This way
C. You are welcome
D. After you
[单选题]Is there a table for 4 please?
______Please. Is the one near the backdoor, ok?
A. Take your time
B. This way
C. You are welcome
D. After you
[判断题] People in England often talk about the weather,because the sky is sunny all day.
A:T B:F
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]On average, a successful lawyer has to talk to several _______ a day.
A. customers
B. supporters
C. guests
D. clients
[多选题]( 多选题 ) 哪些条件下SO 2会进一步氧化生成SO 3?
A.燃烧生成三氧化硫
B.催化作用生成
C.盐分解出SO3
D.燃烧生成二氧化碳
[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]SO2转换成SO3每增加一个百分点，预期增加温度( )℃。
A.20-24
B.26-28
C.28-30
D.32-34
[单选题]-Hello, may l talk to the director now? ______
A. Sorry he is busy at the moment.
B. No, you can’t
C. Sorry, you can’t
D. I don't know.
[单选题]MayIknowyourname,please?( )
A.Thankyou
B.MynameisLinWei.
C.Yes,Iam.
D.GoodmorninG.
[单选题] 下列各组物质中:①Cl2O7 HClO ②SO2 H2SO4 ③NO2 HN3 ④SiO2 H2SiO4 ⑤Mn2O7 HMnO4 ,前者是后者的酸酐,正确的是( )。
A.②③
B.③④
C.④⑤
D.①③④
[简答题]Please ring me up tomorrow morning.
[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so,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浴液
B.饱和NaHSO3溶液
C.浓H2SO4
D.CaO粉末
