A.doubtB.soundC.famousD.found
A. doubt
B. sound
C. famous
D. found
A.lateB.soonC.laterD.after
A. late
B. soon
C. later
D. after
用KMnO4法测某污染物中的铁时,称取试样重0.5000g,滴定用去0.04000mol·dm-3KMnO4溶液35.22cm3。因为滴定时不慎超过终点,所以用了1.23cm3的FeSO4回滴,已知每cm3FeSO4相当于0.88cm3KMnO4,求该污染物中的铁含量。
—Do you think we’ll still catch the train? — Well, we won’t we walk faster.
A. as
B. unless
C. until
D. no matter how