高脂蛋白血症的预防和控制手段包括(),()和()。
参考答案:良好的生活习惯;合理膳食;药物治疗
The details of any language system is passed on from one generation to the next through (), rather than by instinct.
A.learning
B.teaching
C.books
D.both A and B
如何确定丝网印版的厚度?