天然橡胶是橡胶树上流出的乳白色液体，经过（）；（）等工序加工而成的弹性固状物。

根据对话内容，在下列横线上填入适当的话语，使对话完整正确。

A：Hey! Maria!  小题1:        

B：I’ve been to the River Park.

A：You’ve lived there for three months.  小题2:         

B：It’s great. But I wasn’t used to the air when I first arrived.

A：There are more and more cars. It creates the air pollution.

B：I agree. But   小题3:         

A：We should do something to protect the environment, I have some videos about that?

B：How nice! Would you mind me watching them?

A： 小题4:         You can come and get them at any time this afternoon.

B： 小题5:        

A：It’s my pleasure.

下列属于民主决策形式的是

①公民通过听证制度参与决策

②村委会主任自主决定明年全村改种蔬菜

③公民向决策机关反映意见、提出建议

④专家利用自己掌握的专业知识对重大事项进行分析论证

A．①②③

B．①②④

C．①③④

D．②③④

阅读理解。

     Just how comfortable is your sofa? Would you be prepared to let a stranger crash

(躺下睡觉) out there for the night? Just on the basis of a short email correspondence

(通信) and seeing a photo of the sofa,would you travel halfway across the world to do

the same? It might sound crazy,but this is exactly what millions of people are doing-it's

known as couch(沙发) surfing.

     Couch surfing is travelling on a budget,using a broad network of contacts in order to

get overnight accommodation for free,or at as little cost as possible.Participants join

dedicated(专业的) websites,providing as much information about themselves as possible

in order to make others feel comfortable hosting them,or using them as a host.

     Various safety features are available in such online networks,like verification (确认)

of names and addresses,personal references and vouching (担保) for a particular member

 as a reliable host or guest.

     As well as the financial advantages of couch surfing,participants also claim that the practice

gives them a more unique,authentic travel experience,allowing them to get to know culture

and cuisine through the locals rather than through tour agents."Couch surfing is not just about

finding free accommodation.We open our minds and lives and welcome the knowledge that

becomes available through cultural exchange," said Casey Fenton,founder of

CouchSurfing.com, "CouchSurfing wants to change not only the way we travel,but how we

relate to the world."

1．What is the RIGHT order of couch surfing?

a．Provide personal information.

b．Travel to the host's house.

c．Join dedicated websites.

d．Check photos of sofas by emails.

A．dbac

B．bcad

C．adcb

D．cadb

2．Which is NOT a safety feature of online network?

A．Verification of identify.

B．A copy of the passport.

C．Personal references.

D．Vouching for the member as reliable.

3．From the text we can know that________.

A．participants can be hosted or a host

B．couch surfing tests people's patience

C．couch surfing leads to trust between people

D．people couch surf simply for financial reasons

4．The text mainly intends to________.

A．introduce a new way of travelling

B．teach how to keep the Internet safety

C．promote online products

D．advocate ideas of saving money

5．What can be the BEST title of the text?

A．Touring the World on the Internet

B．Unique Advantages of Local Travelling

C．Around the World from Sofa to Sofa

D．Cultural Exchange by Correspondence

已钩稽的外购入库单编辑下的查看钩稽单据，查看到的是什么单据？（）

A.购货发票

B.销售出库单

C.外购入库单

D.成本调整单

“信息处理和变换的程序化”有利于提高数据处理的( )，并可提高数据处理的效率。

A．抗干扰能力
B．安全性
C．准确性
D．保密性