题目内容
假如你是李华，是一名高一学生。最近收到笔友John的电子邮件，得知他在学校的英语竞赛(English competition)中获得一等奖。请跟据以下内容给他写封电子邮件。
1、祝贺他取得的优异成绩；
2、告诉他你在学习中的苦与乐；
3、邀请他寒假来河南。
词数：１００字左右, 信的开头结尾已经给出。
Dear John，
Yours,
Li Hua
天天向上一本好卷系列答案
小学生10分钟应用题系列答案Between 2 and 3 pounds of wonder, it controls everything we say, do or think, who we are and what we care about. The way we walk or laugh or figure out things. What we like and the talents we possess. How we see and talk and run and jump and process our food.
The brain uses 20 percent of our body’s oxygen and 20 percent of its blood. Somewhere within its protein, fat, 100,000 miles of blood vessels and 100 billion nerve cells, it helps us remember where we put our gym shoes. Change our temperature so we don’t die because of the heat or cold. Speed us up or slow us down. Help us choose between orange juice or orange?flavored drinks.
Its complexity are stunning, far beyond anything most of us can imagine. To keep this work of art as polished as possible we need to eat right, exercise and keep mentally stimulated. Good nutrition helps brain cells communicate with each other. Exercise stimulates a hormone in our brain that improves memory. Mental stimulation keeps you sharp even as you age.
“It’s very important that we tell people to be physically active and mentally active,” said neurologist Malcolm Stewart. “People cannot stop aging, but you’re able to reduce the damage; you’re able to keep the function up.”
Following are Dr. Stewart’s advice for improving brain health：
Nutrition | Avoid fast food. Follow the old adage(格言): For breakfast, eat like a king; for lunch, like a queen; for supper, like a beggar. |
Exercise | Do a combination of stretching aerobic and muscle?strengthening every day. |
Mental games | Try to have a sense of hope about the future. Do puzzles. Listen to music. Reach out to others to make their lives better. |
1.The purpose of the author in writing this passage is to ______.
A. inform us how the brain works
B. give us advice on how to keep the brain healthy
C. tell us that the brain plays an important role in our lives
D. show how special the brain is to us
2.The underlined word “stunning” means ______.
A. interesting B. strange
C. significant D. amazing
3.According to the text, more exercise ______.
A. keeps our mind sharp
B. helps improve our memory
C. gives our brain a rest
D. is good for brain cells communicating with each other
4.In order to keep brain healthy, we should avoid ______.
A. eating a good lunch B. doing puzzles
C. eating a large supper D. taking aerobic exercise