与动脉粥样硬化发生率呈负相关的脂蛋白是()
A.HDL
B.VLDL
C.CM
D.LDL
E.IDL
参考答案:A
35. Instead of _____ their burden, he gave the students more homework. Do you think it right?
A.increasing
B.bearing
C.adding to
D.lightening
拂刮厚壁主轴瓦的目的是为了()。
A.调整轴承间隙
B.调整臂距差
C.提高接触质量
D.使表面光滑