市内电话收费:前3分钟0.2元,以后每分钟0.1元;长途电话收费:每10秒钟0.

题型:解答题

问题:

市内电话收费:前3分钟0.2元,以后每分钟0.1元;长途电话收费:每10秒钟0.1元.丁丁先打了一个市内电话给爸爸,用了6分钟,然后又打了一个长途电话,共花了2.1元的电话费,丁丁打长途电话的时间是多少秒?

考点:整数,小数,分数,百分数和比例的复合应用题
题型:解答题

在冲突的过程中,双方潜在的对立显现出来的阶段是()

A.潜在的对立或不一致阶段

B.认知和个性化阶段

C.行为意向阶段

D.行为阶段

E.结果阶段

题型:解答题

阅读理解

     Koala bears as pets might be appealing to many of us. However, there are quite a few points

to consider even before thinking of adopting one.

     In Australia the koala is a priority animal as far as conservation status assessment is concerned.

It was hunted to near extinction(灭绝)for its fur. In fact the koala had been wiped out from South

Australia in the 1920s. However, ehabilitation efforts have brought the animal back in the state. As

for the Australian government, the koala is not a threatened animal, but the US government does list

the koala as one.

     Almost everyone finds koala adorable in the zoo. However, as far as having koala bears as pets

is concerned, there are legal issues to consider. Other than that, being able to provide for its diet and

habitat is another point that needs some attention before any law legalizing their adopting as pets is passed.

1. What is the author's attitude towards people raising the koala?

A. Passive.  

B. Grateful.    

C. Negative.    

D. Enthusiastic.

2. Why did Australians hunt the koala?

A. To get its fur.    

B. To eat its meat.  

C. To wipe it out.  

D. To have it for fun.

3. It can be inferred from the passage that _____.

A. koala bears tend to live in groups.    

B. koala bear care can be very demanding

C. koala bears are not particular about their food.    

D. koala bears are the No.1 threatened animal in the US.

题型:解答题

建立社会信用体系的支柱是( )。

A.政府
B.法制
C.教育
D.道德

题型:解答题

自轮运转特种设备从国外引进抵达港口或国境站后()进入国铁营业线运行时,应办理过轨手续,进行过轨技术检查。

A.首次

B.每次

C.第二次

D.第三次

题型:解答题

男性,30岁,自幼出现发作性呼吸困难,近3天来喘息发作不止,伴咳嗽、咳少量黏液痰。查体:端坐呼吸,口唇发绀,两肺可闻及广泛呼气相哮鸣音。该患者最可能的诊断是()

A.慢性阻塞性肺气肿

B.喘息型支气管炎

C.重症哮喘

D.慢性支气管炎合并肺内感染

E.自发性气胸

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