冠心病的危险因素有（）
A.TG升高
B.LDL-C升高
C.TC升高
D.HDL-C降低
E.LPA.升高
参考答案：A, B, C, D, E
I borrowed a lot of books from the library, but I read only _______ of them because I had ______ time.[ ]
A. a few; a few
B. few; little
C. little; little
D. a few; little
为什么严禁在同一层罐笼内人员和物件混合提升？
