历览前贤国与家,成由()败由奢。(李商隐)
A、勤俭
B、刻苦
C、耐劳
参考答案:A
–Do you know what he _______ the day before yesterday?
-Yes. He ________.
A.does; plays soccer
B.did; goes to a movie
C.did; went to the beach
D.do; went shopping
二氧化碳是不助燃的,当我们把纯净的二氧化碳喷人火炉中,火将( )。
A.越燃越旺
B.渐渐熄灭
C.窜得很高
D.很均匀地继续燃烧着