单项选择题

D支座的支座反力FRD=（）

A.20kN（↑）
B.15kN（↑）
C.10kN（↑）
D.0

<上一题目录下一题>

热门试题

未分类题

By using the expression 'pump priming' as a description of public works projects, the author implies that it ______.A.was uselessB.was pouring money down the drainC.lowered human dignityD.provided business with initial impetus which would make it self-sufficient

A.A.was
B.was
C.lowered
D.provided

未分类题

'This park has more than 200 waterfalls that are 15 feet or higher. And 150 of them have never been mapped or photographed,' says park historian Lee Whittlesey. 'Now that's a ______ to the size of YellowstonE.'A.propositionB.hypothesisC.ceremonyD.testimony

A.'
A.proposition
B.hypothesis
C.ceremony

相关试题