【判断题】钎焊时由于钎料熔化焊件不熔化,所以焊件金属组织和性能变化较小,焊接应力和变形也较小。
【单选题】春温的治则以清泄里热为主,并须注意养阴,透邪外出,下列治法中哪项错误?()
【单选题】春温的治则以清泄里热为主,并须注意养阴,透邪外出,下列治法中哪项错误?
【简答题】A.They should watch the clock carefully. B.They should be careful of their handwriting. C.They should finish their assignment early. D.They should hand in their homework next week.
【单选题】The Russian company has boasted such claims mainly because they ______.
A.
get more financial support from the government.
B.
explore the moon and acquire more natural resources for human beings.
C.
transfer harmful industries to the moon to prevent our environment.
D.
attract more space travelers to develop the space tourism industry.
【简答题】 当前我国社区民主政治建设存在的主要问题是什么?