下列实验能达到目的的是( )
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| A. 检验SO2具有漂白性 |
B.配制0.1 mol•L-1NaOH溶液时定容 |
C.分离出碘水中的碘 |
D.配制一定浓度硫酸溶液 |
The children loved their day trip, and they enjoyed the horse ride ______.
| A.most | B.more | C.less | D.little |
Progress______ so far very good and we are sure that the work will be finished on time.
| A.was | B.had been | C.has been | D.will be |
Charles was alone at home, with_______ looking after him.
| A.someone | B.anyone | C.not one | D.no one |
It is often ______ that human beings are naturally equipped to speak.
| A.said | B.to say | C.saying | D.being said |
I can’t leave. She told me that I ______ stay here until she comes back.
| A.can | B.must | C.will | D.may |