高等学校的()是指高等学校在人文、社会、自然科学等领域所进行的旨在探究真理的创造性活动。
A.教学
B.教书育人
C.科学研究
D.为社会服务活动
参考答案:C
佝偻病不易发生于()
A.缺少室外活动的婴儿
B.牛乳喂养儿
C.生长发育较快的婴儿
D.早产儿
E.母乳喂养儿
根据句意、首字母和汉语意思完成单词。
1. When you a______ in Beijing, please call me.
2. Your mother is w______ for you at the school gate.
3. When you visit someone, please k______ at the door.
4. I often help my mother w______ the dishes.
5. —Why are you late today? —B______ I get up late.