노년을 건강하게 보내기 위해서는 젊었을 때부터 () 운동하는 습관을들여야 한다.
A.
B.
C.
D.
参考答案:B
请你根据汉语提示填空。
1. —Are the ants (吃面包)? —Yes, they are.
2. —Let's (看一看) at the ants. —They are (吃蜂蜜).
3. —What are they doing? —They are (数昆虫).
4. —What is Bob doing? —He is (下棋).
5. —Is he (做实验)? —No, he isn't. He is (观察昆虫).
为促进铁的吸收,服用铁剂时最好选择()。
A.与维生素C同服
B.与维生素A同服
C.与维生素B同服
D.与牛奶同服
E.与钙片同服