【简答题】设A={x,y},B={1,2,3},写出:
【单选题】超声乳化白内障吸除术中,应用能量不当直接可引起术后的严重并发症是
【单选题】绿色包装所要求的()是指在满足保护、储运、销售等功能的同时,还要尽量减少包装材料的使用。
【简答题】请简要说明Android中常用的数据存储方式有哪些?
【多选题】The coalification process is ______________.
A.
the progressive change from peat to lignite and then through the higher ranks of coal to anthracite
B.
a process that not only relies on geological time but also on temperature and pressure
C.
complicated and far-lasting
D.
companied by the increase of carbon content and decrease of moisture content in the as-formed coal
【简答题】养性之道,常欲________。《千金要方》