【单选题】What do campaigners who lobby to preserve languages do to save endangered languages?
A.
Take measures to slow down languages' vanishing rate.
B.
Try to make known languages' accelerating vanishing rate.
C.
Try all their out to record and reconstruct the vanishing languages.
D.
Slow down languages' vanishing rate and meanwhile make it known.
【判断题】合同又称契约,是平等主体的自然人、法人或其他组织之间设立、变更、终止民事权利义务关系而达成的意思表示一致的协议。
【单选题】- do you have in the afternoon, Gao Shan? -We have PE, Maths and Science. [ ]
【单选题】What __________do you speak ? [ ]
【多选题】一般情况下,播音员音色变化的规律是:在( )的前提下,根据节目形式、内容、对象的不同,调节上、中、下各部分共鸣的比例,使声音出现多种音色特征。
【简答题】德鲁克说:管理是一门科学,一种系统化的并到处适用的知识;同时,管理是一种 ,其本质不在于知而在于行;其验证不在于逻辑,而在于成果。