催化重整装置如果生产高辛烷值汽油就不能再生产苯。
参考答案：错
六年级图书角有故事书72本，连环画24本，科技书36本，故事书与连环画的本数比是______，连环画占总数的______%．
The British often shank hands ______they meet. [ ]
A. at first
B. the first time
C. for the time
D. at times
