（）多用于面部美容按摩。
A.滑石粉
B.按摩霜
C.傲揽油
D.血红花油
参考答案：B
— Can you guess ______ the MP4 player yesterday?
— Sorry, I've no idea about it.[ ]
A.how much did he pay for
B.how can he get
C.how much he paid for
D.how did he get
135系列柴油机活塞顶部形状为（）型。
A、凸顶
B、凹顶
C、成形顶
D、平顶
