[题目]影响降水的因素很多.大面积的水域会对降水产生重要的影响.根据所学知识回答下列各题.[1]谚语中有“雷雨不过江的说法.其原因是A．雷雨遇到江河会自然消失B．江水为雨水提供了充足的水汽C．江水与陆地热力性质不同D．河流两岸的高地阻挡了雷雨[2]新安江水库是拦坝蓄水形成的人工湖.湖区面积573平方公里.水库建成后.气候有显著的变化题目和参考答案——青夏教育精英家教网—

题目内容

【题目】影响降水的因素很多，大面积的水域会对降水产生重要的影响。根据所学知识回答下列各题。

【1】谚语中有“雷雨不过江”的说法，其原因是

A．雷雨遇到江河会自然消失

B．江水为雨水提供了充足的水汽

C．江水与陆地热力性质不同

D．河流两岸的高地阻挡了雷雨

【2】新安江水库是拦坝蓄水形成的人工湖，湖区面积573平方公里。水库建成后，气候有显著的变化，其表现最不可能的是

A．库区夏季不像过去那样热，冬季又不如过去冷

B．库区初霜推迟，终霜提前，无霜期延长

C．库区范围内，降水明显增加，水库中心增加最多

D．水库附近的雾日比过去增多

【答案】

【1】C

【2】C

【解析】

试题分析：

【1】雷雨是空气因温差大，造成空气强对流形成的。而大面积的的水域在夏季因水的比热大，升温慢，导致其水面与高空温差较小，所以空气对流不显著，故而江水与陆地热力性质不同是“雷雨不过江”的主要原因。C正确。

【2】由于人工湖的出现，使得湖面在夏季整体温度较低，气压比周围地区气压高，库区出现下沉气流，所以不容易形成降水，使得水库中心降水量明显低于周边地区，C正确。

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A Language Programme for Teenagers

Welcome to Teenagers Abroad! We invite you to join us on an amazing journey of language learning.

Our Courses

Regardless of your choice of course, you’ll develop your language ability both quickly and effectively.

Our Standard Course guarantees a significant increase in your confidence in a foreign language, with focused teaching in all 4 skill areas----speaking, listening, reading and writing.

Our Intensive Course builds on our Standard Course, with 10 additional lessons per week, guaranteeing the fastest possible language learning (see table below).

Course Type	Days	Number of Lesson	Course Timetable
Standard Course	Mon－Ｆｒｉ	２０ｌｅｓｓｏｎｓ	９：００－１２：３０
Intensive Course	Mon－Ｆｒｉ	２０ｌｅｓｓｏｎｓ	９：００－１２：３０
Intensive Course	Mon－Ｆｒｉ	１０ｌｅｓｓｏｎｓ	１３：００－１４：３０

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Ｓｔｕｄｅｎｔｓａｒｅ placed into classes according to their current language skills. The majority of them take on online language test before starting their programme. However, if this is not available, students sit the exam on the first Monday of their course.

Learning materials are provided to students throughout their course, and there will never be more than 15 participants in each class.

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A. It is less effective.

B. It focuses on speaking.

C. It includes extra lessons.

D. It give you confidence

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A. 13:00-14:30 Monday.

B. 9:00-12:30 Tuesday

C. 13:00-14:30 Friday.

D. 9:00-12:30 Saturday.

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Vicky Zhao is a mainlander working in Hong Kong. For her, one thing she can’t put up with is people standing on the wrong side of the escalator(自动扶梯) in subway stations. “Escalators help us move faster and save time. It isn’t a place to rest,” the 24-year-old says. “I often see tourists block the way with their suitcases or chatting on the escalators during rush hours. It annoys me to no end.”

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The logic behind the “stand right, walk left” escalator etiquette(礼仪) seems obvious. Even though you may want to catch your breath while you’re transported up or down, you should still consider others and leave enough space for people in a hurry, so that they can run and catch the train.

Many cities’ escalators, including London’s and Beijing’s, use the “stand right, walk left” system to speed up the flow of people. (Australia is an exception and you should stand on the left side instead.) But some cities discourage people from moving on escalators out of safety reasons. In Hong Kong’s subway stations there are regular announcements asking people to “stand still” on escalators. Even so, most people in this fast-paced city observe the “stand right, walk left” etiquette.

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Whatever the escalator etiquette is in the place you live or visit, do what most people are doing and always be mindful of others: leave enough space between each other, don’t stay at the end of the escalator, and if someone is blocking your way, a simple “excuse me” is enough.

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A. the author’s living in the big city of Hong Kong.

B. being crowded on the subway trains in rush hours.

C. people’s blocking the way or chat on the escalators.

D. people’s standing on the right side resting.

【2】 When on the escalator, a majority of local people in Hong Kong_____.

A. stand still as the railway stations require.

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C. use the stairs instead of escalators.

D. follow the “stand right, wail left” etiquette.

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A. Not everyone follows the “stand right, walk left” etiquette.

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A. People should stand right no matter where they are.

B. People should do as the Romans do and consider others.

C. People should do as they like on the escalators.

D. People should be seriously criticized when they block the way.

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