It’s amazing that Mike should get such good marks while he does only ________ the others.

A．as much as half

B．as many as half

C．half as much as

D．half as many as

写出下列传统经验鉴别术语相应的药材名。

①"过江枝"（）。

②"狮子盘头"（）。

③"珍珠盘头"（）。

④"云绵纹"（）。

⑤"星点"（）。

⑥"通天眼"（）。