问题
多项选择题
茶叶中影响蛋白质和铁吸收的物质主要有（）
A.色素
B.茶碱
C.鞣酸
D.脂肪
答案
参考答案：B, C
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茶叶中影响蛋白质和铁吸收的物质主要有（）
A.色素
B.茶碱
C.鞣酸
D.脂肪
参考答案：B, C
| 用所给动词的适式填空. | |
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| 1. ___________every day is good for your health. 2. We should try __________ more fruit and vegetables. 3. Let's____________ our new lesson. 4. She ____________ to improve her English. 5. Fruit ____________us to keep in good health. 6.The trees are too high. We can't ____________the apples on them. 7. Does it ___________a big difference if you eat a lot of vegetables every day? 8. Our teacher wants us ___________to her carefully in class. 9. My sister ____________ the No. 1 bus to work. 10. Do you ____________a healthy life style if you exercise every day? |