题干
I have bought such a watch _______ was advertised on TV.
A：that
B：which
C：as
D：it
答案(点此获取答案解析）
C
I have bought such a watch _______ was advertised on TV.
A：that
B：which
C：as
D：it
＜0，则
的夹角为钝角 命题q：定义域为R的函数
上都是增函数，则