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单选题
Americans eat _____ as they actually need every day.
A
twice as much protein
B
twice protein as much twice
C
twice protein as much
D
protein as twice much
参考答案
参考解析
解析：
句意：美国人每天摄取的蛋白质的量是他们实际需要的两倍多。英语中倍数的表达有一定的结构，即一般为：倍数＋as＋形容词词组，/副词词组，＋as。twice表示倍数，位于as…as…结构前面，被比较的对象much protein位于中间，因此A为正确答案。
句意：美国人每天摄取的蛋白质的量是他们实际需要的两倍多。英语中倍数的表达有一定的结构，即一般为：倍数＋as＋形容词词组，/副词词组，＋as。twice表示倍数，位于as…as…结构前面，被比较的对象much protein位于中间，因此A为正确答案。
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根据提供的信息和语言素材设计教学方案，用英文作答。
设计任务：请阅读下面学生信息和语言素材，设计20分钟的英语阅读教学设计，该方案没有固定的格式．但须包含下列要点：
·teaching objectives
·teaching contents
·key and difficult points
·major steps and time allocation
·activities and justifications
教学时间：20分钟
学生情况：某城镇普通中学初中二年级(八年级)学生，班级人数40人，多数学生已经达到
《义务教育英语课程标准(2011年版)》三级水平。学生课堂积极性一般。
语言素材：
If you go to a fast food restaurant or a snake bar, you will probably see a lot of teenagers.Today, many teenagers are overweight, and some of this is because of their bad eating habits.Most teenagers love food with a lot of fat, oil, and sugar. People often call this type of food "junk food".
But food eating habits go beyond fast food. Many teenagers find it difficult to eat healthy.
Some don′t have breakfast before they go to school. During the day, some don′t have a propermeal for lunch. In a recent survey at one school, scientists found that over two-thirds of thestudents didn′t follow a healthy diet. Nearly half of the students didn′t like vegetables, andmany of them don′ t like to eat fruits. They preferred to eat food with a lot of salt, sugar, or fat.
Parents today also worry about their children′s diet. Some doctors give the followingadvice:
· Teenagers shouldn′t eat too much junk food.
· Teenagers shouldn′t eat food with too much salt. Salt can cause high blood pressure in the future.
· Teenagers should eat food with less fat, oil, and sugar.
· Teenagers need to eat some fruit and vegetables every day. Fruit and vegetables are rich in vitamins and have little fat.
· Teenagers need to drink more milk. Milk will help their bones grow.
· Teenagers need to eat breakfast every day. This is good for their body and mind.
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