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Passage Three Questions 33 to 35 are based on the passage you have just heard.

A. They lose water constantly.
B. They contain a relatively lower concentration of salt.
C. They neither lose nor absorb water.
D. They possess a relatively higher concentration of salt.

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Questions 23 to 28 are based on the conversation you have just heard.

A. Flies need less sleep than humans.
B. Humans need a similar amount of sleep with flies.
C. The amount of human sleep is determined by certain gene.
D. Flies can determine how much sleep they nee

女性,14岁,左股骨下端肿胀、疼痛4个月;近1个月来肿胀增长快,夜间疼痛明显。检查:左胫骨上端肿胀严重,皮温增高,浅静脉怒张,可扪及一个6cm×8cm大小肿块,固定,边界不清。X线片示左胫骨上端成虫蚀状溶骨性破坏,骨膜反应明显,可见Codman三角。 住院后拟行手术治疗,下列哪项检查必不可少()

A. 淋巴结活检
B. 骨髓穿刺
C. 胃肠道钡餐检查
D. 胸部X线片
E. 下肢血管造影

No woman can be too rich or too thin. This saying often attributed to the late Duchess (公爵夫人) of Windsor embodies much of the odd spirit of our times. Being thin is deemed as such a virtue. The problem with such a view is that some people actually attempt to live by it. I myself have fantasies of slipping into narrow designer clothes. Consequently I have been on a diet for the better—or worse—part of my life. Being rich wouldn’t be bad either but that won’t happen unless an unknown relative dies suddenly in some distant land leaving me millions of dollars. Where did we go off the track When did eating butter become a sin and a little bit of extra flesh unappealing if not repellent All religions have certain days when people refrain from eating and excessive eating is one of Christianity’s seven deadly sins. However until quite recently most people had a problem getting enough to eat. In some religious groups, wealth was symbol of probable salvation and high morals and fatness a sign of wealth and well-being. Today the opposite is true. We have shifted to thinness as our new mark of virtue. The result is that being fat—or even only somewhat overweight—is bad because it implies a lack of moral strength. Our obsession (迷恋) with thinness is also fuelled by health concerns. It is true that in this country we have more overweight people than ever before and that in many cases being overweight correlates with an increased risk of heart and blood vessel disease. These diseases however may have as much to do with our way of life an dour high-fat diets as with excess weight. And the associated risk of cancer in the digestive system may be more of a dietary problem—too much fat and a lack of fiber-than a weight problem. The real concern then is not that we weight too much but that we neither exercise enough nor eat well. Exercise is necessary for strong bones and both heart and lung health. A balance diet without a lot of fat can also help the body avoid many diseases. We should surely stop paying so much attention to weight. Simply being thin is not enough It is actually hazardous if those who get or already are thin think they are automatically healthy and thus free from paying attention to their overall life-style. Thinness can be pure vainglory (虚荣). In the eyes of the author an odd phenomenon nowadays is that ________.

A. the Duchess of Windsor is regarded as a woman of virtue
B. looking slim is a symbol of having a large fortune
C. being thin is viewed as a much desired quality
D. religious people are not necessarily virtuous

When the sun is up in Amsterdam, the largest city in the Netherlands sits quietly on the Amstel River. You can rent a bicycle, visit the Van Gogh or Anne Frank museum, or take a water taxi. But when the sun goes down, the partying begins. In the big clubs and in coffee shops, tourists gather to hang out, talk politics and smoke. Several areas of the city clearly show the two worlds that rule Amsterdam. And they’re all within a short cab ride of each other. For example, Dam Square attracts daytime sightseers to its festivals, open markets, concerts and other events. Several beautiful and very popular hotels can be found there~ And there is the Royal Palace and the Magna Plaza shopping mall. But as evening descends on Dam Square so do the party-seekers. Hip pop or funk music begins blaring from Club Paradiso and Club Melkweg. These are two of the most popular clubs in Europe. So if you come, be ready to dance. The clubs don’t shut down until 4 am. And while you are there, check out the various inexpensive ways to tour the city. Don’t worry about getting lost. Although Dutch is the official language, most people in Amsterdam speak English and are happy to help you with directions. And you’ll notice that half the people in the streets are on bicycles. They rent for US $17 to $ 20 for a whole day. Amsterdam also has a good canal system. From anywhere between US $ 2 and $ 9, 50, you can use the canal bus or a water taxi to cruise the "Venice of the North". You can take in the picturesque canal house architecture: The rows of neat, narrow four-story dwellings of brownstone with large windows are well worth seeing. Many of them are several centuries old. You might also want to jump out of the canal bus at the Museum Quarter and start walking. Masterpieces by Dutch artists such as Rembrandt, Bruegel, Van Gogh and others are on display at the Van Gogh Museum, Rembrandt House and others. The city has an appreciation of its historic past. One place to visit is the Anne Frank House in Nine Streets. It was there that the young Jewish girl wrote her famous diary during World War II. Visitors can view Anne’s original diary and climb behind the bookcase to the room where she and her family hid from the Nazis(纳粹党人) for two years. It only takes you a few minutes’ cab ride to shift between areas presenting______.

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