问题 问答题 简答题

计算题:某选矿厂处理量为3000吨/日,每天消耗PN4055型捕收剂45.792公斤,其溶液比重为1.06,求每分钟消耗PN4055型捕收剂多少毫升?

答案

参考答案:

v=(45.792×1000)/(1.026×24×60)=30毫升/分钟

每分钟消耗30毫升PN4055型捕收剂。

完形填空

第二卷(共35分)

V.短文填词(共10空;每空1分,满分10分)

阅读下面短文,根据以下提示:1)汉语提示;2)首字母提示;3)语境提示,在每个空格内填入一个适当的英语单词,并将该词完整地写在右边相对应的横线上。所填单词要求意义准确,拼写正确。

Many school students have difficulty in English listening.Here are

some t          for you.We hope they can help you in one way or other.    76.              

Before you start to listen to something,you need to       (放松).          77.       

Don’t get n       or excited.The first sentence tells a lot about the whole          78.       

passage,so you’d       listen carefully.When you’re listening,try to do      79.       

some    (思考).For example,you call think of the following questions:          80.       

What h       ,when,where and how? What was the result and what              81.       

does the speaker want to tell us? This     ,you may understand the           82.       

passage better.It’s n      for you to remember some important facts.        83.       

You may hear words you don’t know, but don’t spend too much time              84.       

them.Very often,you’ll find out       they mean later when you goon          85.       

with the listening.

单项选择题