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阅读理解。 The Zhao family live in a very nice city. They want to have the best of everything. They live next to the Wu family and watch them all the time. The Zhao family want their place to be better than the Wu's. They have a bigger television, bigger refrigerator and even brighter shoes. 'Little Wu has a new bicycle. It goes faster than yours. Tomorrow I will buy you a better bicycle.' 'Mr. Wu has a large fish. I'm going to the market to buy a bigger fish.' 'Mrs. Wu has a new chair. I'm going to get a bigger, stronger, prettier one. My place is going to be better than hers.' A friend asks Mrs. Wu, 'Do you think the Zhao family have a better house than you?' Mrs. Wu says, 'The Zhao? Oh, the people next door. I don't think about them much. They always look a bit sad (有点不开心). I think we have a much better life and home. We are happier; we have more fun and our family life is warmer.' 1. Mrs. Zhao wants ______. [     ] A. to have the same as Mrs. Wu B. everything better than Mrs. Wu C. a happy home 2. The Zhao's have a bigger refrigerator because ______. [     ] A. their family is larger B. they have a lot of money C. they want to have a better place than the Wu's. 3. Mrs.Wu ______. [     ] A. wants to have the same as Mrs. Zhao B. is not interested in Mrs. Zhao C. does not know Mrs. Zhao 4. The story tells us ______. [     ] A. to work hard B. to try to be happier than other people C. buying things can make us happy 5. Which is Not RIGHT? [     ] A. The Zhao's life is not the same as the Wu's B. The Wu family are happier than the Zhao family C. The Wu family are richer than the Zhao family
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A.
氯金酸(HauCl)在还原剂作用下,可聚合成一定大小的金颗粒,形成带负电的疏水胶溶液
B.
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D.
用还原法可以方便地从氯金酸制备各种不同粒径胶体金颗粒
E.
胶体金颗粒很容易同各种蛋白质共价结合
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水溶性或极性较大的成分如生物碱、苷类、糖类、有机酸等化合物
B.
脂溶性成分如高级脂肪酸、油脂、游离甾体等
C.
酚酸类成分
D.
脂溶性色素
E.
蛋白质、多糖等
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