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【多选题】
抗渗性外,还有( )等。A.
抗裂性
B.
抗侵蚀性
C.
抗变性
D.
抗碳化性
E.
抗碱骨料反应
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【简答题】(268 words) 小题1:According to Warranty Limitations, a product can be under warranty if __________. A. shipped from a Canadian factory B. rented for home use C. repaired by the user hi...
【单选题】Which is the only letter that can be pronounced as /æ/ in English words?
A.
u
B.
e
C.
o
D.
a
【简答题】It was announced that only when the terrible disease was under control _______ to return to their homes. A. the residents would decide B. would the residents decide C. would the residen...
【单选题】The residents in the neighborhood all ________ the government's decision to close the small dye factory. [ ]
A.
deleted
B.
identified
C.
interrupted
D.
applauded
【单选题】How did the residents in the Vrain School District respond to the budget shortage?
A.
They felt somewhat helpless about it
B.
They accused those responsible for it
C.
They pooled their efforts to help solve it
D.
They demanded a through investigation
【单选题】An emergency bilge pumping system is provided and should be _____ of the main bilge pumping system, according to the SOLAS 74 Convention.
A.
dependent
B.
independent
C.
in series
D.
in parallel
【单选题】Accidental flooding of the engine room bilges by the bilge main is prevented by( ).
A.
stop-check valves installed in the bilge suction manifolds
B.
using a positive displacement reciprocating bilge pump
C.
installing educators in all bilge rose boxes
D.
installing a swing check before each bilge valve
【简答题】茎和根在外部形态上最主要的区别是:茎具有 ____和____,茎上长有____、____。
【单选题】Accidental flooding of the engine room bilges by the bilge main is prevented by （）.
A.
stop-check valves installed in the bilge manifolds
B.
using a positive displacement reciprocating bilge pump
C.
installing eductors in all bilge rose boxes
D.
installing a swing check before each bilge valve
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