阅读理解题由难变易方法

Fructose, found naturally in honey and fruit, is used widely in foods.（ But） while its sweet taste is popular, the sugar could cause wrinkles and health the problems. Dr. Moshe Werman… fed large amounts of fructose to rats. they said the fructose-fed rats showed changes in the collagen of their skin and bones.　自然存在于蜂蜜和水果中的果糖，被广泛用于从饮料到酸奶的各种食品中。尽管它的甜味很受欢迎，这种糖却能使皮肤起皱纹并影响身体健康。以色列科学技术研究所的摩西- 沃曼和波阿兹-利位博士喂给实验鼠大量果糖。他们在《营养学杂志》上发表文章说，那些吃了果糖的老鼠的皮肤和骨质中的胶原蛋白发生了变化。

Collagen, found in connective tissue, and bone, basically holds the body together（52题有用）. The loss of collagen is what makes skin loose and causes deep wrinkles in older people.胶原蛋白是存在于骨质和软骨中的纤维蛋白质，它的基本作用是将人体各组织结合在一起。胶原蛋白的丧失是导致老年人皮肤松弛和深度皱纹的原因。

According to Werman's team, the process affected is known as "cross linking". Too much cross-linking encourages wrinkled skin. …Other studies have shown that high fructose intake can affect how the body handles glucose and increases insulin resistance---- which can both be important measures of the tendency toward diabetes.沃 曼领导的研究小组把胶原蛋白的丧失引起的生理变化称作"交叉相联"。沃曼在一次报告中说："太多的'交叉相联'导致皮肤起皱纹。"他说，人也可能是如此， 尽管还没有证据证明这一点。其他的一些研究已经表明，大量摄取果糖会影响人体对葡萄糖的代谢和增强对胰岛素的抵抗力，而这两者是判断患糖尿病可能性的重要 指标。

The rats Werman worked with were fed much more than the average adult person might eat in a day,沃曼喂养的老鼠摄取的果糖比普通成人每天可能摄取的果糖多的多。

51. According to the text, which of the following statements about the fructose is TRUE?

A．It is a kind of man-made of fruit. ×

B．It’s naturally found in water and milk.×

C. Lots of people like its taste.

D.It slows your brain down× as you’re aging.

52. The underlined word “collagen” in Paragraph 2 is closest in meaning to “——”

A．a substance which is contained in fructose×

B．a substance which is a body-building part

C. a chemical which makes the skin look younger×

D. a medicine which cures diabetes×

53. What can be inferred from Paragraph 4 ?

A．According to Werman, cross-linking affects the form of collagen.×

B．Werman’s team is going to do experiments on humans×