脂蛋白都含有四种主要脂类，它们是（）、（）、（） 和（）。
参考答案：甘油三酯、磷脂、胆固醇、胆固醇酯
□÷8=□……□，余数可以是[ ]
A．7
B．8
C．9
D．10
— The concert was wonderful yesterday. Didn’t you go to it?
— _______. I _______, but I had to look after my sick baby at home.
A．No; would love to have
B．No; would love to
C．Yes; would love to
D．Yes; would love to have
