问题 问答题 简答题

简述转台式过滤机内、外圈积水盒的下水回收及量的大、小对降低硫酸消耗的作用?

答案

参考答案:

转台式过滤机内、外圈积水盒的下水是过滤物料滴漏而产生的并含有大量P2O5,回收使用时可以提高磷的总回收率,降低硫酸及矿的消耗;但是如果量太大直接回收至萃取槽,相应地减少了过滤二洗水的加入和池水的利用,会导致石膏洗涤不完全,磷回收率降低。

单项选择题
阅读理解

Even if you are naturally shy, these three tricks will help you to quickly build a new social circle in any new city.

1.Take pictures

One of the great things about taking pictures at an event or party is that it gives you an excuse to get in touch with a person.Everybody loves seeing pictures of themselves,and it’s very easy after taking a picture to say “If you’d like I can email it to you”.This can be the seed that leads to new connections.The next time you hear about a fun event email your new contacts to let them know about it.

2.Eat alone in public

You might feel self-conscious eating by yourself but it has an important benefit:you are much easier to approach when you are alone.People may be afraid of interrupting you or being rude if you are in a conversation with someone else.Bring a book or newspaper to read (this will make  you feel less self-conscious).Plus,having an interesting book with you will give others an excuse to start a conversation if they’ve read it.

3.Join a class,sports team,or club

Yoga,salsa dancing,volleyball,Toastmasters (a public speaking club),a class for work,etc. Take up a new hobby or continue an old one!

These are all great places to meet new people,primarily because you will be forced to see the same people over and over again in the class.You will automatically make friends with them if you have a common interest and are forced to see each other again.

Tips:

* In the beginning.never turn down an invitation from someone,even if it’s something you wouldn’t normally do.

* Email your new friends with fun things to do instead of always asking what their plans are, If they have a better plan you can drop (放弃) yours and join them.This will help establish(建立) you as someone who is contributing value instead of just taking it (people want this in a friend) .

*Don’t let little things in life upset you or be a negative person.People don’t want to be around someone like that!

小题1:     can give you an excuse to start new connections.

A.Taking pictures of others

B.Eating by yourself in public

C.Reading interesting books

D.Joining group activities小题2:According to the text,which of the following is NOT mentioned as an advantage of joining a class?

A.It helps you find out your interest and take up a new hobby.

B.It helps you find out people who share a common interest with you.

C.It offers an opportunity to meet the same people repeatedly.

D.It is a good way to meet new people and make friends in a new city.小题3:Which of the following pieces of advice is a tip from the text?

A.Try to be outgoing and talkative instead of being shy.

B.Never turn down an invitation from your friends.

C.Offer suggestions on how to spend time together.

D.Don’t give a negative response to any request.