设计时,高速公路采用何种视距标准?为什么?

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问题:

设计时,高速公路采用何种视距标准?为什么?

考点:土木建筑工程道路勘测设计道路勘测设计题库
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James Cleveland Owens was the son of a farmer and the grandson of black slaves(奴隶). His family moved to Cleveland when he was 9. There, a school teacher asked the youth his name.

“J.C.,” he replied.

She thought he had said “Jesse”, and he had a new name.

Owens ran his first race at the age of 13. After high school, he went to Ohio State University. He had to work part time in order to pay for his education. As a second year student, in the Big Ten games in 1935, he set even more records than he would in the Olympic Games a year later.

A week before the Big Ten games, Owens fell down when he went downstairs. His back hurt so much that he could not exercise all week, and he was helped in and out of the car that drove him to the games. He refused to listen to the suggestions that he should give up and said he would try, event by event. He did try, and the results are in the record book.

The stage was set for Owens’ success at the Olympic Games in Berlin(柏林) the next year, and his success would come to be considered as not only athletic but also political(政治的). Hitler(希特勒) did not give congratulations to any of the black American winners.

“It was all right with me,” he said years later. “I didn’t go to Berlin to shake hands with him, anyway.”

After returning from Berlin, he received no telephone calls from the president of his own country, either. In fact, he was not honored by the United States until 1976, four years before his death.

Owens’ Olympic success made little difference to him. He earned his living by looking after a school playground, and racing against cars and dogs.

“Sure, it worried me,” he said later. “But at least it was an honest living. I had to eat.”

In the end, however, his gold medals changed his life. “They have kept me alive over the years,” he once said. “Time has stood still for me. That golden moment dies hard.”

小题1:In the Big Ten games, Owens         .

A.hurt himself in the back

B.was successful in setting many records

C.tried every sports event but all failed

D.had to give up all events小题2:We can infer from the text that Owens was treated unfairly in the US at that time because         .

A.he was the grandsonof black slaves

B.he was the son of a poor farmer

C.he didn’t shake hands with Hitler

D.he didn’t talk to the US president on the phone小题3:When Owens says “They have kept me alive over the years”, he means that the medals          .

A.have been changed for money to help him live on

B.have made him famous in the US

C.have encouraged him to face difficulties in life

D.have kept him busy with all kinds of jobs小题4:What can be the best title for the text?

A.Jesse Owens — A Great American Sportsman

B.The Big Ten Games

C.Making a Living As a Sportsman

D.How to Be a Successful

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患者,女性,55岁,腹痛腹胀,呕吐一天,近三个月来有时腹胀,大便带黏液,无血渍,查体:体温36℃,脉搏80次/分,血压14/10kPa(115/75mmHg),腹胀,未见肠型,腹软,右下腹可触及斜行肿块,质韧压痛,腹部透视见有一个液气平面,白细胞9.5×109/L,中性80%,可能是

A.阑尾周围脓肿

B.回盲部肿瘤

C.回盲部结核

D.克隆病

E.回盲部肠套叠

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下列哪一项不属于今天通常接受的质量观点?()

A.质量必须被计划安排进入产品和服务之内

B.质量只能通过完全的检验来加以改进

C.改进的质量省钱而且增加生意

D.质量是以客户为中心导向的

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物权的原始取得方法包括()。

A.互易

B.善意取得

C.时效取得

D.生产

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《电磁辐射防护规定》(GB8702-88)中对比能量吸收率SAR剂量内容的规定是,对公众照射,规定在24h以内,任意连续6min按全身平均SAR应小于()。

A.0.01W/kg

B.0.02W/kg

C.0.03W/kg

D.0.04W/kg

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