题目内容
听力原文：W: Hey, Jake, rise and shine.
M: What time is it, Sheila？ I have no idea how long I've been here.
W: Hmm ... the library is toe quiet. You need a place that's nice and noisy to study.
M: You've got a point. I always mean to study hard but I quickly nod off. It's just too quiet here.
W: Maybe you were thinking of Carlson's psychology lesson. That's as good as a sleeping pill.
M: Yeah, nice guy, but he just can't seem to come down to earth. The whole time he seemed to be talking to himself.
W: You should have been in my history class with Professor Rivers. What a trip! One student got up and challenged him to name 6 women who contributed to the American Revolution. He was speechless.
M: The class must have been buzzing.
W: Especially when the student started rattling off over a dozen names. She was no fool and she wasn't going to let him off the hook.
M: Seems she gave Professor Rivers a good lecture.
W: Yeah, although I kind of felt she should have given him a chance to save his face. After all I doubt whether many people can name even one.
M: That's true. I sure can't.
W: Jake, Jake. You should attend Professor Anderson's class on women's studies. She'll tell you about people like Sarah Bradlee Fulton, a spy who was a key figure in the Boston Tea Party.
M: Hmm... Maybe Rivers should join me.
(23)
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听力原文：M: Come on, Jully, how're we going to convince everybody that I'm the best candidate？
W: It won't be easy!
M: Thanks a lot!
W: Oh, just kidding. Actually, I think once we show everyone how well you did as junior class treasurer, you're sure to be elected president.
M: Well. What's your strategy？
W: One thing I was thinking of is to hang campaign posters in all the hallways.
M: But everybody puts up posters. We need to do something different.
W: Let me finish. The campus radio station is willing to let you have five minutes tomorrow morning at seven to outline your plans for the year. Lots of students will hear you then.
M: Great idea!
W: I've also arranged for you to give a speech during dinner tomorrow. Over a hundred students will be there. And you can answer questions after you finish speaking.
M: That means I'd better come up with a speech pretty quickly. How about if I write it tonight and show it to you after chemistry class tomorrow？
W: Fine, I'll see you after class.
M: You're realty good at this. I'm glad you agreed to help me out.
(20)
Human newborns have been known to have any significant deposits of brown fat, so called because of its abnormally high concentration of dark---colored mitochondria (线粒体), the engines that sustain cell activity. The primary purpose of brown fat is to regulate body temperature: the mitochondria-packed cells are designed to burn high quantities of sugar, and release that energy as heat a mechanism that newborns rely on to keep themselves toasty.
As people age, however, the body becomes better at regulating temperature, so brown-fat stores shrink and white fat starts to emerge. A research team in Sweden has found that healthy adults retain a sizable amount of fat in the front and back of the neck expressing the same proteins as brown fat.
Identifying the presence of brown fat is one thing, but activating it to burn more sugar is another. Two studies confirmed that brown-fat cells become more active in the cold. But before we consider joining the Polar Bear Club, can brown fat actually cause weight loss？ Brown fat may indeed allow a person to burn more calories (卡路里) with the same amount of consumption. On the basis of animal models, researchers calculate that 50g of brown fat could burn about 20% daily calorie an average person takes in. Leaner people tended to have more brown-fat deposits than overweight individuals. Interestingly, women were 'twice as likely as men to have active brown fat.
Still, the findings don't necessarily mean that activating brown fat leads to a slimmer waist. For one thing, the body is especially good at maintaining balance, which is why a boost in calorie-burning can often make it hunger signal and prompt people to eat more to make up for the loss. And even if drug companies could find a way to activate (刺激) brown fat safely, that excess activity could throw off other metabolic (新陈代谢的) systems and damage your health.
Which of the following statements is TRUE according to Para. 1？
World Expo is the largest theme exhibition where the organizer and participants can communicate and promote the specific concepts. Therefore, the concept a World Expo 【C1】______ must tally (吻合) with the international background and 【C2】______ trend of thought at that time, and the 【C3】______ theme must reflect the common 【C4】______ of the international society.
In May 1999, while 【C5】______ of bidding for World Expo 2010, Shanghai Municipal Government began to ponder 【C6】______ the theme selection and presentation and listed this item of work as its 【C7】______ .
Seemingly, the commonness and innovation of a theme is 【C8】______ The popular topics often lack 【C9】______ , while the original and never-discussed topics are likely to be strangely unfamiliar. Both of these two themes are short 【C10】______ competitiveness and mustn't be adopted.
Through collecting the themes and their basic background introductions of the 【C11】______ World Expos since 1933 and 【C12】______ the development trend of the world and the development practices of China and Shanghai, the professional study group started to mine and compare the key words for the theme. After hearing 【C13】______ the opinions and proposals of the domestic and overseas experts, they recruited over 30 themes in six 【C14】______ such as "City", "Civilization and Culture", "Known and Unknown", "Exploration and Innovation", "Environment" and "Information". And after many rounds of selection and 【C15】______ and under the support of the Bureau of International Exhibition, the study group 【C16】______ such two elements as "City" and "Life Quality", which 【C17】______ into such three themes as "New City, New Life", "Better City, Better Life" and "Metropolis, Highquality Life". Then after having 【C18】______ with over 200 domestic and overseas experts, the theme study group decided to use "city" and "life" as the key words for the theme, 【C19】______ such theme is in accordance with the general development trend of the humankind and can 【C20】______ the extensive attention of the world.
【C1】
The word "toasty" (Line 5, Para. 2) has the same meaning with ______.
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