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【简答题】
Happiness is for everyone. You don't need to care about the rich. Though they have beautiful houses with large gardens and swimming pools, they may often feel lonely. In fact, happiness is always around you if you put your heart into it. When you are in trouble at school, your teachers will help you; when you do something wrong, people around you feel unhappy; when you succeed in something, your friends will say congratulations to you. All these are your happiness. If you notice a bit of them, you can see that happiness is always around you. Happiness is not the same as money. It is a feeling(感觉) of your heart. Although you are poor, you can also say you are very happy. Money is not everything. You have something else that money can't buy. When you meet with difficulties, you can loudly say you are very happy because you have more chances to challenge(挑战) yourself. So you can not always say you are poor and you have bad luck. If you take every chance you get, you can be a happy and lucky person. 小题1:______may often feel lonely even though they have beautiful houses with large gardens. A.Teachers B.Parents C.Old people D.Rich people 小题2:What will your friends say to you when you make great progress? A.Congratulations. B.That's all right. C.It's very nice of you. D.Not at all. 小题3:When you have more chances to challenge yourself, you may feel_______. A.proud B.lonely C.happy D.excited 小题4:You can make yourself happy by______. A.making much money B.taking every chance you have C.owning beautiful big houses D.having nice cars 小题5:We can learn from the passage that_______. A.poor people are unhappy because they don't have money to buy big houses B.we can find happiness around us even if we don't have much money C.no one will help you if you are poor D.rich people are very proud because they have big houses and nice cars
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吸收水分的主要部位在根尖的成熟区
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茎内运输水分主要靠导管来完成
C.
蒸腾作用失水主要通过叶片的气孔来完成
D.
植物吸收的水分大部分用于光合作用
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