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科目:初中英語 來源: 題型:

如圖14所示是探究平面鏡成像特點的實驗裝置圖。將一塊玻璃板豎直架在一把刻度尺的上面,并保持玻璃板與刻度尺垂直。再取兩根完全相同的蠟燭A和B分別豎直置于玻璃板兩側的刻度尺上,點燃玻璃板前的蠟燭A,進行觀察和調整。用此實驗可以研究:①像與物大小的關系;②像與物到平面鏡距離的關系;③平面鏡成的是虛像還是實像。
(1)選用刻度尺的作用是為了便于比較_________;(選填“①”、“②”或“③”)
(2)選用兩根完全相同的蠟燭是為了比較________;(選填“①”、“②”或“③”)
(3)在利用蠟燭B確定出蠟燭A所成像的位置后,移去蠟燭B,并在其所在位置上放一光屏,則光屏上_________(選填“能”或“不能”)接收到蠟燭A的像。

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科目:初中英語 來源: 題型:

小紅在騎自行車上學的路上,看見紅燈亮起時,就遠遠的停止蹬踏,讓車自由滑行,車恰好停在斑馬線前.小紅想:車滑行的距離可能與哪些因素有關呢?她猜想:①車滑行距離與車速有關;②車滑行距離與車的質量有關;③……
表二
速度
質量
滑行距離
相同

相同
較大

(1)請你也提出一種合理的猜想:  ▲  ,你的猜想是依據(jù)生活中你觀察到的什么現(xiàn)象?  ▲ 
(2)小紅取來空的圓柱型的玻璃瓶模擬車輪滾動,探究玻璃瓶在水平桌面上滑行距離與質量是否有關.為此,應控制玻璃瓶開始滾動時的  ▲  相同,控制的方法是:    ▲        .
表一
速度
質量
滑行距離

相同

較快
較遠
較慢

(3)表一和表二是小紅探究的實驗記錄,根據(jù)實驗的記錄可得到結論:     ▲      .
(4)根據(jù)小紅探究的結果和自己的生活經(jīng)驗,請給廣大司機提出一條合理化的建議: ▲ 

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科目:初中英語 來源: 題型:


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.
【小題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
懶覺)is good idea. Besides, good sleep makes sure of your study
【小題2】If you feel sad, don’t try to hide your feelings. Crying out may help reduce your sadness.
【小題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.
【小題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.
【小題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:初中英語 來源: 題型:

根據(jù)句意,選用方框內(nèi)所給詞的適當形式填空。
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:初中英語 來源: 題型:

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

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科目:初中英語 來源: 題型:

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:初中英語 來源: 題型:

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

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科目:初中英語 來源: 題型:

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

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