贾宝玉是被谁性启蒙的？他与谁初试云雨情？
参考答案：贾宝玉的性启蒙者为警幻仙姑（或秦可卿）；和袭人初试云雨情。
主张“唯才是举，吾得而用之”的政治家是[ ]
A．曹操
B．刘备
C．孙权
D．诸葛亮
When solving the problem a second time, you’d better be more careful ________ you made a mistake.
A．in case
B．where
C．in which
D．that
