发展先进文化的中心环节是( )。
A.培育和弘扬民族精神
B.提高整个中 * * 的思想道德素质和科学文化素质
C.加强社会主义思想道德建设
D.加强教育科学文化建设
参考答案:C
根据图片和中文提示完成下面的语段。
Amy: What are you going to do after school?
Mike: I want to buy a book. Where is the 1____________ ?
Amy: It's 2____________ (在旁边) the museum.
Mike: How can I get there?
Amy: You can go 3____________ 4____________ . Get off at the
5____________ (公园). You can see the museum on the right.
Mike: Thank you.
Amy: You're welcome.
简述低钾血症的原因。