问题 选择题

下列有关叙述错误的是

A.若根据反应“H2+Cl2=2HCl”设计成燃料电池,既可发电同时还可用于工业制盐酸

B.冰醋酸中逐滴加水,则溶液的导电性和醋酸的电离程度均先增大后减小

C.某反应△H>0,△S>0,该反应可能自发进行

D.25℃时,NaClO溶液的pH=8,c(Na)—c()=9.9×10-7mol/L.

答案

答案:B

阅读理解

根据短文内容,从短文后的选项中选出能填入空白处的最佳选项,选项中有两项为多余选项.

It takes just a quick look,maybe three seconds,for someone to value you when you meet for the first time.In this short time,the other person forms an opinion about you based on your appearance,your body language and how you are dressed.

小题1:____________.This article provides some useful tips to help you.

Be on time

PIan to arrive a few minutes early.And allow some room for possible delays in traffic or taking a wrong turn.小题2:____________.

Be at ease

If you are feeling uncomfortable,this can make the other person ill at ease and that’s a sure way to create a wrong impression.If you are calm and confident,the other person will feel more at ease!

Present yourself appropriately

小题3:____________.The person you are meeting for the first time does not know you and your appearance is usually the first clue he or she has.But it certainly does not mean you look like a model.

A winning smile

“Smile and the world smiles,too.”A warm and confident smile will put both you and the other person at ease.So smiling is a winner when it comes to a great first impression.

Be open and confident

Body language as well as appearance speaks much louder than words.小题4:_____________.

Stand tall,smile,make eye contact,and greet with a firm handshake.

Be positive and polite

小题5:____________.Good manners and polite behavior help make a good first impression.One modern manner worth mentioning is to“turn off your mobile phone”.

With a little extra thought and preparation,you can make every first impression not just good but great.

A.Use body language to show your confidence.

B.On the contrary,bad manners and uneasy behavior can make a wrong first impression born.

C.Arriving early is the first step in creating a good impression.

D.Present a positive attitude,even in the face of criticism(责备)or in the case of nervousness.E.It’s important to know how to create a good first impression。

F.Of course the physical appearance matters.

G.Smiling is a univensal language in the world.

多项选择题