除哪一项外均为羌活的商品规格（）
A.蚕羌
B.竹节羌
C.大头羌
D.条羌
E.鸡头羌
参考答案：E
已知（x-2）x+1=1，则整数x=______．
Now ______ good many old people are also fond of playing games on ______ internet.
A．the; 不填
B．a; the
C．the; the
D．a; 不填
