HDL中含量最多的成分是（）
A.蛋白质
B.三酰甘油
C.磷脂
D.胆固醇
E.糖脂
参考答案：D
My sister is a strongminded girl.At no time I think will she ________ to difficulty.[ ]
A. give in
B. give up
C. give off
D. give out
裂解量
