have seen, the focus of medical care in our society has been __________ from curing diseases to preventing diseases—especially in terms of changing our many unhealthy behaviors.

er use is ____ your spare time , you will make greater progress

Would you please this picture the wall—Sure, my pleasure.

My parents are strict me __________my studies.

对下列句子中画线词的解释，正确的一项是（ ）①汝之子始十岁　　　 ②使取汝者始行③长者衰者而存全乎　④长吾女与汝女