【判断题】( )拉深模的凸、凹模热处理淬硬工序,一般在装配试模前进行。
【单选题】关于西藏地形地貌描述错误的是( )。
B.
全区地形可分为藏北高原、雅鲁藏布江流域、藏东峡谷地带三大区
【简答题】设随机事件 A 与 B 互不相容且 P ( A ) = p , P(B)=q ,则 P ( A+B ) = _____________
【单选题】关于西藏地形地貌描述错误的是()。
B.
全区地形可分为藏北高原、雅鲁藏布江流域、藏东峡谷地带三大区域
【单选题】设随机事件 A 与 B 互不相容,且 P(A)>0 , P(B)>0 ,则
【单选题】Houses in China are very expensive. According to Chinese law, which of the following is correct?
A.
You can use arable land to build houses and sell them
B.
Although there is no permission, as long as the house has been built, it can't be demolished
C.
You can't build a sky garden on your own roof without permission
D.
If your house is demolished by government without permission, you can be compensated accordingly
【判断题】西藏全区地形可分为藏北高原、雅鲁藏布江流域、藏东峡谷地带三个区域。
【单选题】设随机事件A与B互不相容,且P(A)>P(B)>0,则( )
【简答题】设随机事件 A 与 B 互不相容且 P ( A ) = p , P(B)=q ,则 P (AB ) = _____________