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【简答题】
液体在外力的作用下流动时,液体分子间的内聚力阻碍其分子间的相对运动而产生的一种( ),液体的这种特性称为黏性。不同的液体黏性不一样,黏性的大小用( )表示,液压油的牌号是液压油在40度测量的( )。
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举一反三
【单选题】Which information does the outer ring of a compass rose on a nautical chart provided? ( )
A.
variation
B.
true directions
C.
magnetic directions
D.
annual rate of variation changes
【单选题】某装修公司采购1000m2花岗岩，运至施工现场。已知该花岗岩出厂价为1000元/m2，运杂费30元/m2，当地供销部门手续费率为1%，当地造价管理部门规定材料采购及保管的费率为1%，单位材料量检验试验费为3元/m2，则这批花岗岩的材料费用为( )万元。
A.
104
B.
152
C.
105
D.
102
【单选题】某装修公司采购1000m2花岗岩，运至施工现场。已知该花岗岩出厂价为1 000元/m2，运杂费30元/m2，当地供销部门手续费率为1%，当地造价管理部门规定材料采购及保管的费率为1%，单位材料量检验试验费为3元/m2，则这批花岗岩的材料费用约为（ ）万元。
A.
152
B.
105
C.
104
D.
102
【单选题】【单选】Which information does the outer ring of a compass rose on a nautical chart provide?
A.
Variation
B.
True directions
C.
Magnetic directions
D.
Annual rate of variation change
【单选题】The first message sent should be a polite note saying that the goods ordered are ready but the relevant L/C has not yet come to hand. If the first message brings no reply, a second one will be sent. T...
A.
appointment and surprise
B.
appointment and dissurprise
C.
disappointment and surprise
D.
disappointment and dissurprise
【单选题】One should be ready to help others, ____________?
A.
shouldn't one
B.
is he
C.
are you
D.
aren’t you
【多选题】What are the obvious missing pieces during the outbreak of Ebola. A. No group of epidemiologists ready to go. B. No medical team ready to go. C. No one to look at treatment approaches and diagnostics....
A.
No group of epidemiologists ready to go.
B.
No medical team ready to go.
C.
No one to look at treatment approaches and diagnostics.
D.
No one to figure out what tools should be used.
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