题目内容
45、最大弯矩截面最大拉应力等于最大压应力的条件是截面形状对称于中性轴
查看答案
搜索结果不匹配？点我反馈
更多问题
每题填写你选择的答案字母： A or B。1) Most cards are romantic and express love messages which don’t let on who the sender is; because the sender does not want to _____.A. reveal his true identity B. hide his true identity2) Most of the nasty cards were addressed to the pot-bellied, cross-eyed, one-legged or to old maids, wishing them the three dreadful “Ds”: Disgrace, Death or _____.A. Disgust B. Damnation3) Anyone who reads the British national papers on 14 February will see messages for someone’s Very Special Person. Unexpectedly, _____ has more columns of lovers’ messages than any other paper.A. The Times B. The Guardian4) The British newspaper ad brigade tend to see themselves or the desired one as animals, with _____ the firm favorites.A. fleas B. bears5) A girl can tell the occupation of her future husband by noting which bird she sees first on 14 February. But if it’s a _____ she will find no man at all.a) raven b) woodpecker
Which of the following statements about Easter is NOT correct?
Directions: Fill in the blnak according to Text B.It is a day when stores launch one of the year’s biggest sales periods. In the UK it is traditionally a day for sporting activity, originally fox hunting. The holiday mentioned above is _________.
True or False?The August Bank Holiday is likely to cause traffic congestion. The statement is _____. (True/False)
微信支付 
支付宝支付