路肩横向坡度一般应较路面横向坡度大( )。
A.3%~4%
B.2%~3%
C.1%~2%
D.1%
参考答案:C
How many _____ would you like?
A.orange
B.bottle of orange
C.a bottle of orange
D.bottles of orange
下列哪项不是消化性溃疡的病因
A.胃酸和胃蛋白酶B.幽门螺杆菌C.胃运动功能障碍D.十二指肠内容物反流E.大肠杆菌