C．Controlling the diet.

　　D．Having a rich fantasy life.

　　17．Why did the author say he/she had to be a mouse in Paragraph 4?

　　A．Because a mouse can lose weight no matter how much it eats.

　　B．Because the weight losing tests were made on the mouse.

　　C．Because the mouse has a very good metabolism.

　　D．Because the author wants to try the food without the enzyme.

　　18．In the experiment, the mice without those enzymes

　　________.

　　A．were in good condition

　　B．put on weight

　　C．became weak

　　D．could not have baby mice

　　19．What does the author want to show through the last two paragraphs?

　　A．You can be free of guilt when having big dinners.

　　B．Scientists cannot find the key to identifying the

　　enzyme.

　　C．Don't overeat before the test is made on humans.

　　D．It is unnecessary to control weight at present.

　　Ⅲ.任务型阅读

　　阅读下列电影的补充介绍与它们所对应的电影名称，根据它们各自的信息，从A－F六则内容中找出适合它们的最佳选项，其中有一项是多余的。

　　20．Deeply moving and extremely romantic, it is a film about the moments in life that define us, and the timeless love that binds mothers and daughters, sisters and friends.

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