问题 填空题

在碱性水中,()和()的差值相当于Na和K的碳酸氢盐量,称为过剩碱度,或称为负硬度。

答案

参考答案:碱度;硬度

完形填空
In a nice house there lived an old man. Behind the house there was a big garden. He planted many plants there. He took care of his   41  all the time, watering and fertilizing (施肥) them.
One day a young man went by the   42 . He looked at the beautiful flowers, imagining how happy he could be   43  he lived in such a beautiful place. Then, suddenly he found the old gardener was   44 . He was very surprised about this and asked, “You can’t see these flowers.   45  are you busy taking care of them every day?”
The old man smiled and said, “I can tell you four   46 . First, I was a gardener when I was young, and I really like this job. Second,   47  I can’t see these flowers, I can touch them.   48 , I can smell the sweetness of them. As to the last one, that’s   49 .”
“Me? But you don’t know me,” said the young man.
“Yeah, it’s   50  that I don’t know you. But I know that flowers are angels that everybody   51 . We enjoy the happiness these flowers have brought us.”
The blind man’s work opened our eyes and   52  our heart, which also made his life   53 . It was just like Beethoven, who became deaf in his later life and wrote many great musical words. Beethoven himself couldn’t   54  his wonderful music, but his music has   55  millions of people to face their difficulties bravely. Isn’t it one kind of happiness?
小题1:
A.flowersB.treesC.vegetablesD.grass
小题2:
A.balconyB.kitchenC.gardenD.study
小题3:
A.afterB.asC.beforeD.if
小题4:
A.blindB.famousC.smartD.friendly
小题5:
A.WhatB.WhoC.WhyD.Which
小题6:
A.storiesB.reasonsC.excusesD.conclusions
小题7:
A.althoughB.sinceC.becauseD.unless
小题8:
A.FirstB.SecondC.ThirdD.Fourth
小题9:
A.meB.youC.my motherD.my son
小题10:
A.trueB.hardC.coolD.fair
小题11:
A.greetsB.doubtsC.meetsD.knows
小题12:
A.brokeB.hurtC.pleasedD.treated
小题13:
A.emptierB.busierC.luckierD.happier
小题14:
A.writeB.hearC.playD.believe
小题15:
A.changedB.affectedC.discoveredD.encouraged
选择题