蛇咬伤后一般无须使用破伤风抗毒和抗菌类药物。
参考答案：错
某物质的热值为140000千卡，该物质相当（）个标准煤。
A.10
B.20
C.14
D.140
They all wanted to stop working because they were tired, but______of them would say sl.
A．any
B．some
C．none
D．neither
