鉴别含油水垢时,将水垢投入稀盐酸溶液中,在加入一定量的(),则在表面上出现浅黄色
A.氯化钠
B.甲烷
C.乙醚
D.硫酸
参考答案:C
I threatened to report the taxi driver for illegally ______ a passenger, but he pointed at his “Not for Hire” sign and drove away.
A.resisting
B.rejecting
C.disposing
D.removing
治疗落枕属风寒袭络型,可在基本处方上再加
A.风池、合谷、肩井
B.肩井、肩外俞、风市
C.肩外俞、风府、天柱
D.风市、风池、风府
E.风府、肩井、风池