问题
多项选择题
堆石体填筑采用后退法，其填筑工艺的特点有（）。
A.可减轻轮胎磨损
B.推土机摊平工作量小
C.堆石填筑速度快
D.对坝料质量无明显影响
E.推土机摊平工作量大
答案
参考答案：A, E
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堆石体填筑采用后退法，其填筑工艺的特点有（）。
A.可减轻轮胎磨损
B.推土机摊平工作量小
C.堆石填筑速度快
D.对坝料质量无明显影响
E.推土机摊平工作量大
参考答案：A, E
Healthy eating habits are important. Here are some of the best eating habits. Follow them and you will have a healthy life style. Drink at least 8 glasses of water a day, then you can have clearer skin, better sleep, and better eyesight(视力). If not, you’re in danger of losing water. You may need even more water if you are exercising. Breakfast is the most important meal of a day. You will have more energy after eating breakfast. If you do not eat breakfast, you may easily become tired. It is not good for your health. Eat lunch every day. If you don’t have time to go out to have a big meal, or if you are too busy with your work, take a sandwich in the morning with you for a quick lunch. We should eat fruit and vegetables every day. Add an apple to your breakfast, have a salad with lunch, and eat at least one vegetable for dinner. Try to have dinner at least 3 hours earlier before you go to bed. Your body needs time to digest (消化)most of the food before you rest for the next 8 hours. 任务一：根据短文内容，用简洁的句子或短语完成下列表格。
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