There are lots of books _______Shelf A [ ]
A. in
B.on
C.at
B
An old friend of mine called me up this morning,but he refused to tell me his present ________.
A.home
B.place
C.where
D.whereabouts
下列除哪项外均为药材五倍子中肚倍的性状鉴别特征()
A.呈棱形,具不规则的钝角状分枝
B.表面灰褐色或灰棕色,微有柔毛
C.质硬而脆,断面角质样
D.内有黑褐色死蚜虫及灰色粉末状排泄物
E.气特异,味涩