He is ___________ artist.[ ]
A. a
B. an
C. /
答案:B
- What a good ________ you've given me! Thanks a lot. - My pleasure.
A.information
B.news
C.suggestion
D.advice
下列关于铅的说法错误的是
A.铅笔芯的主要成分是铅
B.香烟中是含铅的
C.铅在人体内日积月累,不会分解
D.汽油中添加铅元素可以起到防爆的作用