在制糖工业中，要用沸腾的方法较快地除去糖汁中的水分。为了使含_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题选择题

在制糖工业中，要用沸腾的方法较快地除去糖汁中的水分。为了使含水的糖汁在沸腾时不致因温度过高而变质，沸腾的温度要低于100℃，为此，下列可行的做法是[ ]

A. 将糖汁盛在密闭的高压容器内加热

B. 将糖汁盛在具有减压装置的容器内，加热时使得容器内的气压小于标准大气压

C. 缩短加热的时间

D. 降低加热炉火的温度

答案

答案：B

填空题

从方框中选择适当的单词或短语，并用其正确形式完成句子

spend, talk about, between, on vacation, nothing, reason

have fun, hospital, take a walk, make, wait for, lazy, in fact

1. There is _____ wrong with this computer.
2. The shop is _____ the hotel and the bank.
3. -How much do you _____ on this beautiful coat?
    -80 yuan.
4. Tom is a _____ boy. He doesn't do any housework.
5. I want to _____ after supper. to keep healthy.
6. -Can you tell me the _____ why you didn't come that night?
    -Because I was ill that night.
7. _____, I would like to walk.
8. You'll find that we all want to _____ friends with you.
9. -What are you doing now?
    -I am _____ Jack. We'll go to school together.
10. The students went to the park and _____ there.
11. -Where is Susan?
     -She is _____ in Shanghai.
12. We will _____ the problem after class.
13. Lily is ill, so she is in _____ now.