问题 写作题

书面表达。

     假定你校开展“世界无烟日”宣传活动,在校园英文报开辟了专题讨论栏目:Why do some of

you “enjoy”smoking? What would you say to them? 请你为该专栏写一篇100字的英语短文。

要点如下:

    1. 青少年吸烟现象存在。

    2. 原因:效仿成人;出于好奇;价格低廉;包装精美;不少公共场所允许吸烟。

    3. 你想对吸烟的青少年说些什么?

    注意:可适当增加细节,以使行文连贯。

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答案

Possible version:

    Now and then, smokers are found among schoolboys. It's certain that they know how harmful smoking

is to health. They smoke for some other reasons.

    Many young people start smoking in imitation of grown-ups: great historical figures, famous actors and

actresses, or their parents and people around, who they think are cool when smoking. They admire the

smokers so much that they choose to sacrifice their health to follow their examples. Others learn to smoke

out of curiosity.

    Of all the other factors contributing to teenage smoking, some may be low prices of cigarettes, nice

package decoration and too many public places allowing smoking.

    What I want to say to the young smokers is this: even the adult smokers, including those you admire,

would not have chosen to smoke if they were you now!

选择题
单项选择题

炎热的夏天,水果、蔬菜、鱼肉或米饭等食物,如果保存得不好,很快就会变质、腐败.这种现象,我们通常称为“坏”了或“馊”了.大家知道,食物的败坏,主要是由于微生物中的腐败茵、病菌捣乱的结果.愈是营养价值高的食品,它们就越爱钻营繁衍.许多美味可口的菜肴和食物,一经腐败茵和病菌光顾,不消几天甚至几小时,就会变酸变质,毒素孳生,人吃了就会中毒生病,严重的还会危及生命.腐败菌长期以来,人们为了保存食物、防止腐败找出了许多办法.例如,新鲜水果用糖或蜜加工成果脯蜜饯;新鲜鱼、肉、蛋用盐腌制成咸鱼、咸肉、咸蛋;蔬菜、笋、鱼等晒成笋干、鱼干、干菜、干蘑菇等,这些都是常用的办法,此外还有用低温冷藏、化学药品防腐等等.然而,尽管人们想方设法来消灭和防御病菌,狡猾的病菌总要钻空子,找我们的麻烦.直到人们.发现抗生素有防止腐败、抗击病菌的优越性能,病茵才开始变得驯服起来.抗生素之所以能延长食品的保存期限,主要在于它能干扰或阻碍病菌正常的新陈代谢,使病菌不能进行正常的生命活动,不能生长和繁殖.抗生素溶解在水里后,接触到食物体表面或渗透到组织里去,如同形成一层保护膜,腐败茵或病菌一旦沾上,就会立即被抗生素的精良武器所击败.而且,使用抗生素保存蔬菜、水果等食品,对于食物的色、香、味和维生素等营养成分的保持,都比采用腌制法和加热消毒法优越得多,所以抗生素是一种理想的保护剂.在日常生活中,对付腐败菌和病菌侵害,预防食物中毒的办法,就是要加强食品卫生管理,注意饮食卫生,不吃腐、馊、变质食物和不干净的瓜果,防止生熟食物交叉污染,鱼、肉、海产品等要充分煮熟,隔餐食物要加热煮沸,发酵食品必须蒸煮、炒透30分钟以上再吃,罐头出现膨胀或色、香、味有改变时都不能再吃.

最适合本文的标题是 ()

A.夏天食物容易腐败

B.抗生素能延长食品保存期

C.食品的腐败与防止

D.如何防止食品腐败