Thebikeisoneofthesimplestyetmostusefulinventionsinthewo...
問題詳情:
The bike is one of the simplest yet most useful inventions in the world. What is the most urprising is that it was not invented 1, although the great inventor Lenardo da Vinci had drawn pictures for bikes 2 for flying machines and some other things. Those things were not produced 3 long after he died.
A person riding a bike 4 very little energy to make it move, and there is no5 at all when he is riding one. Even so, in developed countries, most people don't go to work 6 bike. It is not because the bikes are expensive. It's because the number of 7 on the road becomes larger. It certainly becomes more 8 to ride a bike. As a result, more people put their bikes away and go to work in their cars, and 9 this way, the situation is made more serious. Perhaps the best way to make bike riding safer and more 10 is to create paths only for bikes, and to make it so difficult and expensive for drivers to ride to in their cars into the city that they will go back to use their bikes.
1. A. earlier B. faster C. later D. cheaper
2. A. as for B. and also C. so that D. not only
3. A. since B. unless C. until D. so
4. A. costs B. takes C. spends D. uses
5. A. pollution B. air C. environment D. place
6. A. on B. by C. with D. in
7. A. people B. trains C. cars D. planes
8. A. safe B. slow C. boring D. dangerous
9. A. in B. with C. by D. on
10. A. wonderful B. popular C. helpful D. excellent
【回答】
1—5 ABCDA 6—10 BCDAB
知識點:閱讀表達
題型:完型填空
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一個質量為4kg的物體靜止在足夠大的光滑水平地面上.從t=0開始,物體受到一個大小和方向週期*變化的水平力F作...
問題詳情:一個質量為4kg的物體靜止在足夠大的光滑水平地面上.從t=0開始,物體受到一個大小和方向週期*變化的水平力F作用,力F的變化規律如圖所示.則( )A.t=2s時物體沿負方向運動的位移最大B.t=4s時物體運動的位移達最小值C.每個週期內物體的速度變化為一定值D.從t=0開...
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如圖,形狀相同、大小相等的兩個小木塊放在一起,其俯檢視如圖所示,則其主檢視是( ).
問題詳情:如圖,形狀相同、大小相等的兩個小木塊放在一起,其俯檢視如圖所示,則其主檢視是( ).【回答】D知識點:三檢視題型:選擇題...
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用若干個體積為1的正方體搭成一個幾何體,其正檢視、側檢視都是如圖所示的圖形,則這個幾何體的最大體積與最小體積的...
問題詳情:用若干個體積為1的正方體搭成一個幾何體,其正檢視、側檢視都是如圖所示的圖形,則這個幾何體的最大體積與最小體積的差是()A.2B.3C.4D.5【回答】解析:由正檢視、側檢視可知,此幾何體的體積最小時,底層有5個小正方體,上面有2個小正方體,共7個小正方體;體積最大時,底...
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閱讀下面唐詩,完成①―③題。(10分)書邊事。張喬調角斷清秋,徵人倚戍樓。春風對青冢,白日落梁州②。大漠無兵阻...
問題詳情:閱讀下面唐詩,完成①―③題。(10分)書邊事。張喬調角斷清秋,徵人倚戍樓。春風對青冢,白日落梁州②。大漠無兵阻,窮邊有客遊。蕃情似此水,長願向南流。註釋①:唐朝自肅宗以後,河西、隴右一帶長期為吐蕃所佔。此後,因民眾起義及吐蕃將領降唐,其地又全歸唐朝所有。本...
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