首页
登录
职称英语
We all know that it is possible for ordinary people to make their homes on t
We all know that it is possible for ordinary people to make their homes on t
游客
2024-01-17
66
管理
问题
We all know that it is possible for ordinary people to make their homes on the equator(赤道), although often they may feel uncomfortably hot there. Millions do it. But as for the North Pole(北极)——we know that it is not only a dangerously cold place, but that people like you and I would find it quite impossible to live there. At the present time only the scientists and explorers can do so, and they use special equipment. Men have been trave lling across and around the equator on wheels, on their feet or in ships for thousands of years: but only a few men, with grea tdiff icul ty and in very recent time, have ever crossed the ice to the North Pole. So it may surprise you to learn that, when traveling by air, it is really safer to fly over the North Pole than over the equator. Of course, it is not true about landings in the polar region, but the weather, if we are flying at a height of 5, 000 meters above the Pole is a delight. At 4, 000 meters and move above the earth you can always be sure that you will not see a cloud in the sky as far as your eyes can reach. In the tropics(热带), on the other hand, you are not certain to keep clear of bad weather even at such heights as 18, 000 or 20, 000 meters.
Aeroplanes can’t climb as high or as quickly in cold air as in warm. Nor can clouds. In practice, this is an advantage to the aeroplane, which is already at a good height when it reaches the polar region and so does not to climb, while at the same time cold air keeps the clouds down low. [br] "Millions do it. " in this sentence "do it" refers to( ).
选项
A、feeling uncomfortably hot on the equator
B、flying over the North Pole
C、flying over the equator
D、making homes on the equator
答案
D
解析
事实细节题。第一段第一句说普通人住赤道上是有可能的,这也是数百万人做的事情,所以选D。
转载请注明原文地址:https://tihaiku.com/zcyy/3371292.html
相关试题推荐
Thereweremanypeoplepresentahidheappearedonlyforafewseconds,soIonl
Todayanyonewillacceptmoneyinexchangeforgoodsandservices.Peopleus
Todayanyonewillacceptmoneyinexchangeforgoodsandservices.Peopleus
Todayanyonewillacceptmoneyinexchangeforgoodsandservices.Peopleus
Whenwewantto【C1】______otherpeoplewhatwethink,wecandoitnotonlyw
Whenwewantto【C1】______otherpeoplewhatwethink,wecandoitnotonlyw
Whenwewantto【C1】______otherpeoplewhatwethink,wecandoitnotonlyw
Whenwewantto【C1】______otherpeoplewhatwethink,wecandoitnotonlyw
Fiftyyearsago,wealthypeoplelikedhuntingwildanimalsforfun______sightsee
Extensivenewstudiessuggestthattheworldhasmadeextraordinaryprogress
随机试题
Educationisoneofthekeywordsofourtime.Aman,withoutaneducation,m
美式期权是指在规定的合约到期日方可行权的期权。()A、正确B、错误B本题考查美式期权的定义。美式期权是指期权买方在期权到期日前(含到期日)
Shewastoldtogivetheawardtowhomsheeverthoughthadcontributedmostto
[originaltext]W:DoyoumindifIborrowyournotes?M:No,ofcoursenot.Aslon
以下疾病中,主要表现为吸气性呼吸困难的是A.上呼吸道异物 B.毛细支气管炎
A.桂枝茯苓丸 B.血府逐瘀汤 C.失笑散 D.膈下逐瘀汤 E.桃红四物
患者,男性,75岁。咳嗽,咳痰,胸闷气短12年,肺功能检查残气量增加,残气量占肺
已知某种商品的需求价格弹性系数是0.5,当价格为每台32元时,其销售量为1000
( )是指安装中通过移动设备的方法使设备以其指定的基线对准设定的基准线。A.找平
聚丙烯具有的性能包括()。A.化学稳定性和耐热性良好 B.力学性能优良
最新回复
(
0
)