由小肠上皮细胞合成并含有大量甘油三酯的血浆脂蛋白是（）
A.CM
B.VLDL
C.LDL
D.HDL
E.LpA.
参考答案：A
The silence of the library is sometimes broken by a sudden cough or the sound of pages ________.[ ]
A．turning
B．turned
C．being turned
D．having turned
解理
