前 * * 损伤尿外渗部位是（）
A.膀胱周围
B.会阴浅袋
C.会阴深袋
D.阴茎部
E.阴囊部
参考答案：B
Whenever we were ___, he is always ready to ___ us some help.
A．in the trouble; give
B．in trouble; offer
C．in a trouble; pay
D．in trouble,take
乙炔瓶的瓶阀冻结时，严禁用火烤，必要时可用（）℃以下的温水解冻。
A.25
B.40
C.60
