【判断题】2 通过增加管程流量或增加横流速度可以改变卡曼漩涡频率,从而消除散热器的振动。
【简答题】Not so long ago it was assumed that the ers man would meet in space would be terrible, the main ones being radiation and. the er of being hit by meteors. It is perhaps worth remembering that l...
【简答题】读图,回答问题。 (1)西双版纳位于__________ 省南部。流经西双版纳的___________(河流),流出我国后被 称为“湄公河”。 (2)西双版纳旅游资源丰富。旅游业是西双版纳重要的支柱产业,旅游业促进了当地经济的发展。 ①写出一个西双版纳的热带雨林植物景观:_________。 ②写出一个西双版纳的热带雨林动物名称:_________。 ③写出一个西双版纳彝族的文化习俗:_____...
【单选题】The speaker indicates that young people would not change their jobs so often and would fit for their jobs better if they______.
A.
knew the jobs and themselves well
B.
had a good curriculum in high school
C.
happened to have the 'one perfect job'
D.
could get used to their working lives
【单选题】游击队女孩在公共场合出现所戴的是 面具。
【单选题】He had promised me to come to the party, and _____.
【单选题】游击队女孩在公共场合出现所戴的是 面具。