更多"[单选题] They don’t have _____ to do t"的相关试题:
[单选题] Don't put that cloth over the baby's face, you'll _____ him!
A. smother
B. cover
C. breathe
D. smooth
[判断题]I don’t think it’s necessary for us to discuss this question any further.
A.正确
B.错误
[单选题] As a secretary, I have to do lots of things, making coffee for the boss.
A. including
B. in addition
C. instead of
D. except
[单选题] I really don’t know _____ he’s talking about.
A. that
B. when
C. how
D. what
[单选题] Please don’t forget _____ to me, will you?
A. to write
B. writing
C. write
D. writes
[单选题] I don’t know _______ it will rain tomorrow.
A. if
B. when
C. how
D. where
[单选题]"What's that ___________ English?" "I don't know."
A. in
B. on
C. for
D. at
[单选题]–Do you have any paper? --
A.Yes, I has
B.Yes, I do
C. No, I do
D. No,I have
[单选题] Pitifully, Chinese fans won’t have their own teams to ______ for throughout the Rio 2014 World Cup.
A. support
B. fight
C. root
D. pledge
[单选题] If you have a crush on her, take the _____ then: ask her if you can train with her.
A. risks
B. steps
C. initiative
D. initial
[单选题] 当听到音响警告“DON'TSINK”表明:
A.地形接近率过大
B.空速较小,且襟翼不在正常着陆襟翼位置时,离地高度不安全
C.起飞或复飞之后过度掉高度
D.预计撞地前 20 到 30 秒
[单选题]货物停留时间有:t货、t 货车、t一次、t双重、t无调、t中,编组站主要分析( )。
A.t货
B.t无调
C.t货车
D.t有调
[单选题]货物停留时间有:t货、t 货车、t一次、t双重、t无调、t中,货运站主要分析( )。
A.t货
B.t中
C.t货车
D.t有调
[单选题]货物停留时间有:t货、t 货车、t一次、t双重、t无调、t中,中间站主要分析( )。
A.t货
B.t中
C.t货车
D.t有调
[简答题]>某班生产入炉原料420t,产生氧化铁8t,切头尾2t,中轧废3t,生产成品403t,计算检废占原料比例。
解:检废原料比例=(420-403-8-2-3)/×100%=4/420×100%=0.95%
[简答题]>某轧钢车间当班入炉原料202t,回炉钢1t,中轧废5t,检验废1t,生产成品188t,问切头尾和烧损的总和占原料的比例。(保留两位小数)
解:二者占原料的比例=(202-1-5-1-188)/(202-1)×100%
=5/201×100%
≈2.49%
[单选题]直流电阻可按公式R2= R1(T+t2)/ (T+t1)换算（式中R1、R2分别为在温度t1、t2下的电阻值，T为电阻温度常数，铜导线取235，铝导线取225）。20℃时温度相差1℃铜导线直流电阻相差（ ）。
A.0.002
B.0.004
C.0.02
D.0.04
[填空题] His latest two novels have many things ( ) common.
