胸骨舌骨肌（） A.副神经 B.颈襻 C.喉上神经外支 D.喉上神经内支 E.喉返神

The Xinhua News Agency has picked its "hot words" for 2009, _____ on news stories in China over the past

year. [ ]

A. to base 　　　

B. basing　　　

C. base 　　　

D. based

亚洲流经国家最多的河流是：[ ]

A．印度河

B．长江

C．湄公河

D．底格里斯河

Future agriculture should depend on high technology __________ traditional methods.

A．as good as

B．as far as

C．as well as

D．as long as

公安机关民主职能是专政职能的基本保障，专政职能是民主职能的社会基础。 ( )

下列运算符中不能在C++中重载的是

A．：

B．+

C．-

D．＜=