巨幼红细胞贫血的预防包括()
A.青少年多补充新鲜蔬菜
B.对高危人群适当干预
C.体育锻炼
D.婴幼儿及时添加辅食
E.纠正偏食
参考答案:A, B, D, E
—There is still a copy of the book in the library.Will you go and borrow _____?
—No.I’d rather buy ______ in the bookstore.
A.one; one
B.one; it
C.it; one
D.it; it
我国宪法规定,国务院享有_________项关系到国计民生的行政决策权。( )
A.10
B.20
C.30
D.25