非穿心莲药材的性状特征是()
A.茎方形,多分枝
B.节稍膨大
C.叶片披针形或卵状披针形
D.叶上面绿色,下面灰绿色,两面光滑
E.气微,味微苦
参考答案:E
This pen doesn't look like ______. ______pen has been lent to Xiao Wang. I think it must be______.
A.me; My; her
B.my; Mine; hers
C.mine; My; her
D.mine; My; hers
物流系统结构要素之间的“效益背反”现象,原因是物流系统的()。
A.复杂性
B.动态性
C.广泛性
D.相关性