若三角形的两边长分别为6cm，9cm，则其第三边可能为[ ]
A.2cm
B.3cm
C.7cm
D.16cm
答案：C
配制浓度为30%的盐水，要用□克盐溶入70克水中。□内应填[ ]
A．21
B．30
C．40
If you want to have a visit to my hometown, I can ____you____.
A．take, around
B．look, around
C．turn ,around
D．walk, around
