储粮出现发热生霉迹象时，应及时向粮堆或局部粮堆（）杀灭霉菌、抑制发热。
A.通入臭氧
B.磷化氢熏蒸
C.通入冷风
D.打开门窗
参考答案：A, B
—Excuse me, could you tell me______?
—Certainly ,it’s over there along the street .
A. where the nearest post office is
B. where is the nearest post office
C. the nearest post office is where
日本商人从北京购买地毯，陆运至香港，再空运经日本到伦敦，其运抵国(地区)为______。
A．日本 B．香港C．伦敦 D．英国
