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科目:初中英语 来源: 题型:

如图14所示是探究平面镜成像特点的实验装置图。将一块玻璃板竖直架在一把刻度尺的上面,并保持玻璃板与刻度尺垂直。再取两根完全相同的蜡烛A和B分别竖直置于玻璃板两侧的刻度尺上,点燃玻璃板前的蜡烛A,进行观察和调整。用此实验可以研究:①像与物大小的关系;②像与物到平面镜距离的关系;③平面镜成的是虚像还是实像。
(1)选用刻度尺的作用是为了便于比较_________;(选填“①”、“②”或“③”)
(2)选用两根完全相同的蜡烛是为了比较________;(选填“①”、“②”或“③”)
(3)在利用蜡烛B确定出蜡烛A所成像的位置后,移去蜡烛B,并在其所在位置上放一光屏,则光屏上_________(选填“能”或“不能”)接收到蜡烛A的像。

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科目:初中英语 来源: 题型:

小红在骑自行车上学的路上,看见红灯亮起时,就远远的停止蹬踏,让车自由滑行,车恰好停在斑马线前.小红想:车滑行的距离可能与哪些因素有关呢?她猜想:①车滑行距离与车速有关;②车滑行距离与车的质量有关;③……
表二
速度
质量
滑行距离
相同

相同
较大

(1)请你也提出一种合理的猜想:  ▲  ,你的猜想是依据生活中你观察到的什么现象?  ▲ 
(2)小红取来空的圆柱型的玻璃瓶模拟车轮滚动,探究玻璃瓶在水平桌面上滑行距离与质量是否有关.为此,应控制玻璃瓶开始滚动时的  ▲  相同,控制的方法是:    ▲        .
表一
速度
质量
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相同

较快
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(3)表一和表二是小红探究的实验记录,根据实验的记录可得到结论:     ▲      .
(4)根据小红探究的结果和自己的生活经验,请给广大司机提出一条合理化的建议: ▲ 

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科目:初中英语 来源: 题型:


Choose the best choice from A to G according to the meaning of each paragraph.
Studying makes you tired? How to deal with the worries and relax yourself? Here is some advice which may add happiness to your life.
【小题1】Weekends are time for a rest. After a week’s hard work, weekends
are the best time for you to relax yourself. Having a nice lie-in
懒觉)is good idea. Besides, good sleep makes sure of your study
【小题2】If you feel sad, don’t try to hide your feelings. Crying out may help reduce your sadness.
【小题3】You may have heard about Blog. It means writing online diaries.
It’s very popular nowadays. You can write down all that you want
to say. That’s a great way to think about and remember life.
【小题4】It’s not a good idea for a kid to lose weight, so you don’t need
To eat less food. When you feel upset, enjoy a big meal.
Eating delicious food will make you feel good.
【小题5】Having a get-together is great fun. Going out with friends for

A.Chat online.B.Blog your life.C.Enjoy a big meal.
D.Rest on weekends. E. Express your feelings .F. Take part in more activities.
 
a picnic or swimming or running will make you happy. And it will also bring you a good sleep.

       

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科目:初中英语 来源: 题型:

根据句意,选用方框内所给词的适当形式填空。
east  sixty  health  know  discuss
1. After a ____________, both sides reached a final agreement.
2. Japan is to the ____________ part of China.
3. To live ____________, you should change your lifestyle and diets.
4. Scientists are always trying to discover the ___________ world to human beings.
5. Audrey Hepburn, who died in her __________, devoted all her life to charity.

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科目:初中英语 来源: 题型:

Please ___________ the TV set, I want to watch the sports news.
A.openB.turn onC.pourD.cut up

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科目:初中英语 来源: 题型:

There are some _______between _______ languages . So they are used ________.
A.different; different; differently
B.differences; differences; different
C.differences; different; differently
D.differently; difference; different

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科目:初中英语 来源: 题型:

He was very excited and his eyes were ____tears
A.full ofB.filled withC.full withD.filled of

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科目:初中英语 来源: 题型:

Would you please ________ the cup of coffee?
A.passB.to passC.passingD.to passing

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