患者，女，65岁，风湿顽痹多年，现腰膝酸痛，筋骨痿软无力，脉弦细，宜首选（）

A.秦艽

B.独活

C.五加皮

D.雷公藤

E.路路通

Why have the Americans developed space shuttle according to the passage

Which of the following statements best describes humor in China

A．It is more or less the same in all parts of the country.
B．It is drastically different in every part of the country.
C．It is distinguished from Hong Kong.
D．It is more a verbal act than a physical act in the north.