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A．将不同切片放在不同温度的蒸馏水中处理1分钟后取出。
B．再分别放在清水中浸泡1小时而获得不同的切片浸出液。
C．测量这些溶液的花青素吸光度，得结果如下图。
请回答以下问题：
（1）上述实验操作步骤的叙述存在着一个明显的不足，没有遵循实验设计的 原则。请你对上述实验中的不准确的操作重新进行叙述： 。
（2）由上图中的曲线你可以得出的结论是 。
（3）已知物质A能促进细胞膜上载体的活性。有人认为：经过不同温度的处理是影响了细胞膜上运载花青素的载体的活性。请你借助上述材料设计实验证明该观点是否正确。
材料用具：略。
实验步骤：
① ；
② ；
③ 。
（2）预测结果及结论：
① ；
② ； 查看习题详情和答案>>
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“___ school is much bigger than ___.”
A. Our；your B. Our；yours C. My；him D. My；her
B 有名词用形容词性物主代词没有名词用名词性物主代词
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My school is not big but beautiful. There is a garden in the school. There are many flowers in the garden. The flowers are colorful, they are all kinds of colours. In the center（中心） of the garden, there is a pool. The fish are swimming in it. They look very happy and free.
There are two teaching buildings around the garden. There are 18 classrooms in it. And there are also many other rooms in it -- music room, reading room, language lab and library. There are all kinds of books in the library, such as storybooks, cartoon books and magazines. You can read them after class.
The playground is behind the teaching building. We do morning exercises on the playground every day. On the playground, you can play sports--running, playing basketball and playing badminton.
I like my school very much.
( ) 61. How is the school?
A. Big and beautiful. B. Big but not beautiful.
C. Very beautiful. D. Not big but beautiful.
( ) 62. What colours are the flowers?
A. They are all kinds of colours. B. They are red, yellow and green.
C. They are beautiful. D. They are sweet-smelling(香的).
( ) 63. Where are the two buildings?
A. They're in the garden. B. They're behind the school.
C. They're around the garden. D. They're near the library.
( )64. When can the students go to the library?
A. After class. B. In class. C. Before class. D. After school
( )65. What is not mentioned(没有被提及) in the text?
A. Students. B. Teachers. C. Sports. D. Buildings.
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