用于治疗眼干症、夜盲症等
A.维生素A醋酸酯B.维生素B6C.维生素CD.维生素K3E.维生素E
参考答案:A
根据句意及首字母提示填空。
1. There is a lot of food and fruits in the r____.
2. I want to book a standard room with two s____ beds.
3. Hello, Wei Hua! Did you receive a p____? I wrote something on it and I sent it to you yesterday.
4. In A____, most people have light skin, but in Africa, lots of people have dark skin.
5. There are four g____ in our school. It's their duty to keep the school safe.
()是导游人员做好导游服务工作的基本保证。