问题 问答题

请结合图示回答下列问题;

(1)奥运参赛者不断利用新科技成果助推其实现“更高、更快、更强”.连体紧身泳装快皮的面料成分中属于有机合成材料的是______

(2)运动员在赛后经常要饮用一定量的生理盐水目的是______

(3)运动员赛前应多进食含______的食物(填营养素名称),有利于创造好的成绩.

答案

(1)尼龙属于合成纤维,属于有机合成材料,棉是天然纤维,不属于合成材料.

故填:尼龙

(2)钠元素在人体内可起到调节体液平衡、维持肌肉正常兴奋和细胞的通透性等作用.若缺乏,将导致肌肉痉挛、头痛等;若过量,将导致水肿、高血压、贫血等,运动员比赛过程中要大量出汗,钠离子浓度减少,所以要及时补充生理盐水,以维持人体钠离子的浓度平衡.

故填:维持人体钠离子的浓度平衡.

(3)运动员比赛消耗最大的是能量消耗,人体能量的提供70%由糖类提供,所以赛前要补充糖类.

故填:糖类.

阅读理解

On Christmas morning, Linda wakes up, and tries to imagine the wide-eyed surprise of children in another household as they unwrap the presents she carefully chose for them. Linda has never met the children, but that’s all part of the joy of giving as secret Santas, she says.

"It's an amazing feeling to buy gifts on an anonymous (匿名的) basis," says Linda.

"It brings a whole new meaning to the holidays."

Linda and Tony are an American couple living in Toronto, Canada, and Linda did charitable work as a member of the American Women's Club of Toronto. As the name suggests, members are U.S. citizens living in Toronto, who join together for fellowship and community service.

To find her "adopted" family, Linda goes to the local schools and requests a wish list for a family that's struggling to survive. Last year she helped a single mother with three children. The mother works as a cleaning lady in a nursing home.

"The list is always heartbreaking. They have an opportunity to ask for anything and do just the opposite, asking for basic clothes or simple toys," she says. "We always buy the kids a new winter coat, hats, and gloves." She also buys gifts for the parents.

Last year Linda asked the mother for a second wish list--one that didn't include the basics. "Every child should have a Christmas that sticks with them for a lifetime." She purchased iPods for the two older children and a video game system for the youngest."I have learned a very valuable lesson in all of this," says Linda. "Pay attention to what's going on in your own backyard--no matter where you live."

The joy of giving as secret Santas is much sweeter when the gift is anonymous.

小题1:What reaction does Linda imagine the children will have?

(No more than 5 words)                                       (2 marks)

                                                                         

小题2:Why did Linda join the American Women's Club of Toronto?

(No more than 10 words)                                      (2 marks)

                                                                         

小题3:Why did Linda ask for a second wish list?

(No more than 15 words)                                      (3 marks)

                                                                         

小题4:What kind of people does "secret Santas" in the passage refer to?

(No more than 12 words)                                     (3 marks)

                                                                         

单项选择题 A1/A2型题