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举一反三
【单选题】Ladies and gentlemen, welcome to Dalian, a famous summer resort ( 避暑胜地 ) and one of the best tourist cities in China. With clear sky, green mountains, blue seas, fine beaches, clean streets and lovely...
A.
comes in the best season.
B.
is here to join more tourists
C.
may not stand the heat here.
D.
is traveling back home.
【单选题】下列对粉碎的叙述，错误的是
A.
借机械力将大块固体物质碎成规定细度的操作过程
B.
是将机械能转变成表面能的过程
C.
便于调剂和服用
D.
目的是增加药物的表面积，促进药物的溶解与吸收
E.
非极性晶体物质具有相当的脆性，较易粉碎