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【单选题】
作用于同一点的两个力,大小分别为10kN和15kN,则其合力大小可能是( )。
A.
0kN
B.
4kN
C.
20KN
D.
30kN
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参考答案:
举一反三
【简答题】The elderly landlady couldn’t _____________ the behavior of the young man any more: he tossed trash all over the building.
【单选题】A meal of a bean burrito, tossed salad, and glass of milk represents foods from all MyPlate food groups except
A.
dairy
B.
protein
C.
vegetables
D.
fruits
【单选题】The old lady couldn’t ( )the behavior of the young man any more: he tossed trash all over the room.
A.
endure
B.
count up
C.
react to
D.
assault
【简答题】A.dropped B.pulled C.seized D.tossed
【简答题】A.dropped B.pulled C.seized D.tossed
【单选题】剖面图是假想 用一个剖切平面将物体剖开,移去介于观察者和剖切平面之间的部分,对于剩余的部分向投影面所做的( )图。
A.
正投影
B.
斜投影
C.
中心投影
【单选题】The landlady couldn’t ____ the behavior of the young man any more: he tossed trash all over the room.
A.
endure
B.
count up
C.
react to
D.
assault
【单选题】'Have you got some red eggs?' 'No, but I've got ______ .'
A.
any white ones
B.
some white ones
C.
some white one
D.
any white one
【简答题】I tossed about all night, unable to ___________________. (词组:入睡)
【多选题】总供给的约束()
A.
资源型约束
B.
需求型约束
C.
资金型约束
D.
供求型约束
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