在含盐30%的盐水中,加入6克盐14克水,这时盐水含盐百分比[ ]
A.等于30%
B.小于30%
C.大于30%
答案:A
根据句意,用括号中所给单词的正确形式填空。
小题1:They are trying to do something ______(help) the old.
小题2:Sally prefers staying at home to ______(go) out on Sundays.
小题3: How is your uncle? Please say hello to ____(he) for me.
小题4:Nancy is too young to look after _______(she).Don’t leave her alone.
小题5:Recently the drought(干旱) is serious in the ______(south) part of China.
小题6:Today most students can go to high school for further _______(educate) in our country.
小题7:We’re doing a lot of activities to celebrate the _____(ninety) birthday of the Communist Party of China(中 * * 党) this year.
追加减压量为何不应超过第一次减压量?