根据“中国居民平衡膳食宝塔”说明,每日食用油脂类不超过()。
A.10g
B.15g
C.20g
D.25g
E.30g
参考答案:D
解析:每日食用油脂类不超过25g。
根据下列句子及所给单词的首字母写出所缺单词。
1. What a p______! I failed the chemistry exam again.
2. Listen carefully and a______ my question.
3. It has been sunny all day, so I don't think it will r______ tomorrow.
4. If you are f______ this afternoon, let's go shopping.
5. My sister often helps me with my homework. She is very h______.
人体维持生命和健康所需的物质全部来自食物.______.