A:a=-1,b=2
B:a=-4,b=-9
C:a=-1,b=9
D:a=-8,b=-10
A:21
B:8
C:6
D:7
A:(a,2a)
B:(2a,a)
C:(-a,-2a)
D:(-2a,-a)
A:what
B:that
C:which
D:how
A:that; what
B:what; what
C:that; that
D:what; that
A:which
B:what
C:whose
D:whom
A:that
B:it
C:what
D:which
A:What; what a
B:What; how
C:That; how
D:That; what
A:what
B:how
C:when
D:whom
A:that
B:this
C:it
D:what
A:which
B:who
C:whichever
D:whoever
长理培训客户端 资讯,试题,视频一手掌握
去 App Store 免费下载 iOS 客户端
点击加载更多评论>>