海上舰艇护航编队在距离较近时一般采用“前后”形式，而不采用“并排”形式，如图中与其原理相同的是_刷题宝

题干

海上舰艇护航编队在距离较近时一般采用“前后”形式，而不采用“并排”形式，如图中与其原理相同的是（）

A：用吸管吸饮料

B：盆景水位保持一定高度

C：壶嘴与壶身高度相同

D：向两纸间吹气

上一题下一题 0.0难度选择题更新时间:2016-12-01 09:53:48

答案(点此获取答案解析）

D

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①水分子 ②石头 ③迁徙中的一群大雁 ④变形虫 ⑤病毒 ⑥生物圈 ⑦恐龙化石 ⑧蛋白质 ⑨跳动的心脏 ⑩运输营养的导管

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阅读下面5个人喜欢的电视节目的叙述，并从5个相关信息里中选出合适的信息。（5分）

____ . Although Rob leads a quiet life in a small village, that doesn’t stop him from wanting to find out about the latest scientific development.

____ . Bella enjoys eating out but can’t afford to spend very much at the moment as she is saving for a holiday. She has never learnt how to cook, so now might be quite a good time to find out!

____ . Dan is interested in taking wildlife photographs and enjoys the kind of program
which gives him a chance to see a professional photographer at work.

____ . Gina is a music teacher. Although she prefers classical music, she likes to know the kind of music that interests the teenagers she teaches.

____ . Bon’s wife is in hospital. He wants to find a program suitable for his three-year-old son while he does the housework and cooks a meal.

A. TV1 7:20 pm Find out more about Australia’s animal life. This film was made last year by one of Australia’s best- known photographers, Dougie Bond. He spent over 200 hours filming the birds, animals and fish in Australian bushes.
B. TV3 9:00 pm The science program is about the latest technology and medicine. This week, cars that run on sunlight and story of one baby’s fight to live.
C. TV3 7:40 pm This is the program that tells you all about what’s happening on the music scene and tomorrow’s young artists.
D. TV1 5:15 pm Busy parents? Bored children? Do you want something educational to entertain your children while you do something else? This popular program is for the under-fives. More music, fun, songs and games with Carla and Larry.
E. TV2 8:45 pm If you have always wanted to cook, now’s your chance to learn. In the studio,there are two chefs who will teach you some simple recipes step by step.

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4006－32÷4=（）

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读图完成各题。

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有公共点，则

的取值范围是（）

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