- 3
-
设函数
( )
- A.x=-1
- B.x=0
- C.x=0,x=1
- D.x=1
- 1
-
( )
- A.<img src="//img1.yqda.net/question-name/f3/9d90aa49123d9703ec8da08476d29c.jpg" height="30" width="19" />
- B.2
- C.1
- D.0
- A.0
- B.<img src="//img1.yqda.net/question-name/01/02e4d4d9aa5ecdf37056f05af50301.jpg" height="31" width="18" />
- C.1
- D.<img src="//img1.yqda.net/question-name/bd/c69c1dc48ecebc8cf528d0b6bcd0ff.jpg" height="30" width="18" />