Unit 3 第六课时 Oral Communication, Reading for Writing 校本作业（学生版）（pdf版）

第6课时 Oral Communication,Reading for Writing I·用英语写出下列图片相对应的食物。 6 7 Ⅱ。从方框中选择适当的词并用其正确形式填空。 clear rid empty sleep though bad lifestyle ride 1. the old man is over 70 years old now,he keeps exercising every morning. 2.-How do you like driving to work -It's fast.But in fact I prefer It's a kind of good exercise. 3.My parents and I all have healthy We seldom have sweets. 4.The music sounded lively and helped me get of my sad feelings at once. 5.I got up late today.What's I left my homework at home! 6.The teacher changed my seat to the front,so I could see the words on the blackboard 7.Students shouldn't go to school with a(n) stomach. 8.I don't like summer because the high temperature makes me feel in the afternoon. Ⅲ，阅读理解。题材：常走动能提升脑血流难度：★★★建议用时：6mins Blood flow (to the brain is very important for thinking.The brain carefully controls this flow,but small changes can still happen.Short-term drops in blood flow can make thinking and memory (worse for a short time.Long-term drops can raise the chance of developing dementia.Sitting for a long time can cut down blood flow to the legs,but it was not clear whether it has an effect on blood flow to the brain or not. To find out,scientists did a new study with fifteen healthy office workers.The workers wore special medical tools to record blood flow to the brain.Over four hours,they did three different activities:in one,they sat all the time but bathroom breaks;in another,they walked for two minutes every half hour; and in the last one,they walked for eight minutes after sitting for two hours.This helped the scientists see how blood flow changed at different times. The results showed that sitting for long time can cut down blood flow to the brain and it may be bad for long-term brain health.However,taking a two-minute walk every half hour can help keep or even make more brain blood flow. The study also found that carbon dioxide levels(二氧化碳浓度)or breathing did not cause changes in blood flow.This means that sitting and moving have effects on blood flow in other ways. So something else about sitting and moving was changing how blood got to the brain.The study also showed that breaks can be short but you should take breaks often.rain may thank you years later when you're not sitting in an office chair all the time. 根据材料内容选择最佳答案， 45