题目内容:
Paragraph 6________.
A.Efieets of napping in females still uncertain B.Older males have higher 1evels 0f NT—proBNP
C.Development of a simple but important test
D.Evidence 0f positive relationship between napping and heart disense
E.How to control the levels of NT—proBNP
F.Effects of NT—proBNP on heart disease
参考答案:
答案解析: