简单性原则

用四舍五入法把0.36495精确到0.01后得到的近似数为______．

We would like to wish all our readers a wonderful winter break. Our January magazine is now in the shops and available digitally. We’re looking forward to sharing more adventures and discoveries with you in 2014, including:

At a crossroads in the Atlantic

As the population of Ascension Island rises up to mark the 200th anniversary of British rule, Fred Pearce wonders what the future might have in store for this strange part of land.

Photostory: On the road again

A selection of images from an exhibition opening this month at the Royal Geographical Society go hand in hand with M Aurel Stein’s early 20th century photographs of the Silk Road.

Dossier: Going underground

Mark Rowe discusses the role that carbon storage can play in the global effort to reduce carbon dioxide emission (排放).

Net loss

Kit Gillet reports from the Gulf of Thailand, whose fisheries (渔场) have been almost destroyed by the commercialization of the Thai fishing industry.

And don’t forget…

…a round-up of the latest geographical and climate science news; a hot spot focus on Turkey; advice on taking photographs in Antarctica; an interview with Lucien Castaing-Taylor, professor of visual arts at Harvard; plus lots, lots more…

Buy your copy now, click here and save up to 35% or call +44 (0)1635 588 496. Geographical is also available in WHSmith and many independent news agents.

小题1:Who took photos of the Silk Road?

A．M Aurel Stein.

B．Fred Pearce.

C．Mark Rowe.

D．Lucien Castaing-Taylor.小题2:If you want to read something about global warming, you can read         .

A．At a crossroads in the Atlantic

B．Photostory: On the road again

C．Dossier: Going underground

D．Net loss小题3: Which of the following statements is true?

A．Ascension Island has a bright future with more population.

B．Commercialization contributes to the loss of fishery in Thai.

C．The January edition of 2014 is to come out in the winter break.

D．The topics of this magazine focus on geography and interviews.小题4:The passage is written to         .

A．share adventures and discoveries

B．give advice on taking photos

C．attract readers to buy the magazine

D．introduce the content of the magazine

大量氢原子处于n=5的激发态，它们自发地跃迁到低能级，在多种可能的跃迁中，设从n=5直接跃迁到n=2和从n=5跃迁到n=1中放出光子的能量分别为E₁和E₂，则下面说法正确的是（　　）

A．从n=5跃迁可能放出8种不同频率的光子

B．在n=1的轨道，电子动能最大

C．在n=1的轨道，电子的动能和势能总和最大

D．E₁＜E₂

热带鱼类越冬方式？

儿童文学批评的标准是什么？