问题 单项选择题

以下不属于飞机场建设的区位条件的是( )。

A.低云、雾和暴雨出现频率较少的地方
B.距离城市远近适中
C.地质条件稳定,地势有一定坡度便于排水
D.必须是顺风的地方

答案

参考答案:D

解析: 飞机的起飞和着陆,应尽量选择逆风而行,因为逆风起降可以增加升力或阻力使飞机的离地速度增加或着陆速度减少,因而能缩短飞机的起飞滑跑距离或着陆距离,同时逆风起降还有利于飞机运动中的方向稳定性和操纵性,比较安全。近年来,由于飞机的稳定性能迅速提高,风向对飞机起降影响已经大大降低。故本题选D。

解答题
阅读理解

Roger Federer and Serena Williams have been named as 2009' s world champions by the International Tennis Federation(ITF) after topping the year-end rankings.

Federer, who wins the honour for the fifth time, completed a career Grand Slam(大满贯)at Roland Garros before winning his 15th Grand Slam ride at Wimbledon.

And Williams won the Australian Open and Wimbledon, her llth major success.

The pair will receive their awards at the annual 1TF world champions dinner in Paris in June.

Federer regained the world number one ranking from Rafael Nadal after his Paris victory and his Wimbledon win over Andy Roddick saw him surpass Pete Sampras' haul of Grand Slam titles.

He was also runner - up at the Australian Open and the US Open and helped his country retain its Davis Cup world group status.

" It is an honour for me to be named ITF world champion for a fifth time.It was an incredible (不可思议的) year for me both on and off the court," said the 28 - year - old Swiss star whose wife Mirka gave birth to twin girls in July.

"To win my first Roland, Garros title, break the all - time Grand Slam record and regain the number one ranking is amazing.It means a lot to me to finish the year again at the top."

Williams takes the award for the first time since 2002.As well as her Grand Slam wins,            she won the season - ending WTA Championships in Doha.sealing the top ranking in the last event of die year.

She also took the doubles year award with sister Venus after taking their career total to 10 Grand Slam titles.In doing so, she joins Lindsay Davenport and Martina Hingis as the only players to become singles and doubles world champions in the same year.

American twins Bob and Mike Bryan were named as the men' s doubles world champions for the sixth time in seven years.

小题1:What's the main idea of the text?

A.Roger Federer got his fifth world champions.

B.Serena Williams was named the ITF world champion.

C.Roger Federer won his first Roland Garros title.

D.Williams & Federer were named 2009' s world champions.小题2:What does Federer mean by saying that it was an incredible year for him off the court?

A.He made a lot of money.

B.He regained the world No.One ranking.

C.His wife gave birth to twin girls.

D.He got a Grand Slam title at Roland Garros.小题3:In which country might Roland Garros Open take place?

A.England.

B.Australia

C.The United States

D.France小题4:The underlined words " the award" in Paragraph 9 possibly refer to ____.

A.the WTA Campionship

B.the ITF world champion

C.the Australian Open title

D.the Wimbledon Open title小题5:____ has never got both singles and doubles world champions in a year.

A.Serena Williams

B.Lindsay Davenport

C.Venus Williams

D.Martina Hingis