第12题: [单项选择]富含甘油三酯的脂蛋白 A. 脂蛋白(a) B. VLDL C. IDL D. LDL E. HDL 参考答案:B 答案解析:[解析] CM和VLDL中都是以甘油三酯为主,所以这两种脂蛋白统称为富含甘油三酯的脂蛋白;LDL是血浆中胆固醇含量最多的一种脂蛋白,其胆固醇含量在一半以上,故LDL被称为富含胆固醇的脂蛋白。
第19题: [单项选择]LOGO is unique because ______. A. it is an educational program B. it is in total control of human beings C. it allows children to teach the computer to think D. children use it 参考答案:C 答案解析:[注释] 最后两句的Unlike other computer languages and programs...和Children teach the computer to think...表明答