人教版高中英语必修5 Unit3 单元综合拓展训练文档格式.docx

1、Digging the potatoes its really fun, Alexandra Mohn, 9 years old, said.She, her twin sister Isabella and about a dozen other children from their church have been tending to a garden for months, and with the leadership of Wally Prestbo they have grown more than 225 pounds of fresh vegetables for the

2、food bank.Its the fulfillment of my interest in gardening and wanting to have a mission for the children of the church, said Prestbo, who grew up on a small farm in the Spokane Valley.Having had a garden nearly everywhere he has lived, Prestbo now volunteers to teach classes at the Bellevue Demonstr

3、ation Garden, and keeps a large garden at his home in Sammamish. Much of what is grown there is also donated. The Spirit of Peas garden is made up of two 4-by-16 plots in Issaquahs pea patch on Juniper Street. For three years, Prestbo and his young gardeners have been growing things such as peas, le

4、ttuce, spinach, chard, broccoli and carrots.I plant a little bit of everything, so the children have a chance to see how to plant the different types of vegetables, Prestbo said. This is a special chance for them to experience gardening first-hand and get their hands dirty.This year the group began

5、planting in May. Now, with the nights growing colder and colder, the last crops to harvest are tomatoes, potatoes, and cucumbers.When they were digging the potatoes out of the ground it was like an Easter egg hunt, Craig Mohn, Alexandras and Isabellas father, said.On the way to harvest the potatoes,

6、 the children said they wanted to dig up more than last year. In the end, their efforts yielded（出产）more than 60 potatoes, small and large, according to Prestbo.1. Whats the passage mainly about?A. Students grow vegetables for the food bank.B. Students gain experience by growing vegetables.C. Growing

7、 vegetables brings great fun to children.D. Prestbo has done much to help the students.2. With the help of Wally Prestbo .A. children have planted the potatoes in the fieldsB. children have gathered some fresh vegetablesC. children have spent a meaningful holidayD. children have been taken good care

8、 of3. Prestbo makes use of most of his gardens .A. to grow vegetables to make moneyB. to provide money for the Spirit of PeasC. to grow peas for the poor food bankD. to grow vegetables mostly for charities4. Why has Prestbo grown different kinds of vegetables?A. To make the garden more attractive.B.

9、 To make the children informed of how to plant vegetables.C. To show children the managing strategies.D. To add to the variety of donated vegetables.5. What can we learn from the passage?A. The children gathered 60 potatoes this year.B. The children have grown the vegetables for 6 months.C. The chil

10、dren were excited when harvesting.D. The children were digging Easter eggs in earth.二、七选五If you cut down on the time you spend sitting, you might live longer. New research shows that sitting less than three hours a clay might extend your life by two years.1 But modern lifestyles and office jobs rare

11、ly give us the chance to move around. Sitting is something we do all the time and everywhere. We sit while were eating, we sit in the car and we sit while we are watching TV. And many of us sit for many hours at work. So on average, Americans report that they sit between four and a half to five hour

12、s a day. Exercise is important. But so is not sitting.You may exercise often. But it does not mean you can sit for the rest of your waking hours. 2 Even if you exercise for 30 minutes a day, what goes on in the other 23-and-a-half hours a day is also very important, according to a study on how sitti

13、ng all day affects the length of life. It shows that cutting television time to less than two hours a day could add one point four years to life.3Change is already coming to some offices, especially in the design of desks. A standing desk lets people stand while they work. Another new design is call

14、ed the treadmill（跑步机）desk. A treadmill is an exercise machine that lets you walk in one place. Even some U. S. schools are beginning to experiment with desks that are part bicycles to keep children moving.Exercising while working.4 They may have got five standing desks for their employees or a tread

15、mill desk. Some other companies may not buy one for everybody but theyll have a bank of these desks where people can go for an hour a day and answer their emails or talk on the phone. People are really trying to limit the amount of time spent sitting at the desk.Suggestions for sitting less.If you work in an office or have a sedentary（久坐不动的）job, scientists suggest a few simple changes. Get up from your desk as o