【简答题】A Welcoming Speech 欢迎致辞 Write a welcoming speech of about 100 words based on the following situation: Doctor Brown, who is well known to the world for his achievements in the field of medicine, comes ...
【单选题】春秋战国时期由于生产力的发展,促使社会不断变革,最终导致奴隶制度的瓦解,封建制度的确立。那么,最能代表当时生产力发展水平的是 [ ]
【单选题】Which of the following statements about speech conclusions is true?
A.
The conclusion should take up about 25 percent of a speech.
B.
All four methods of reinforcing the central idea can be combined in a single conclusion.
C.
Ending a speech abruptly is an excellent way to reinforce the speaker’s central idea
D.
The last sentence of a speech should usually offer to answer questions from the audience.
【判断题】根据远端支承情况,可直接确定转动刚度、传递系数以及分配系数。
【判断题】汉代是中国书法走向成熟的重要阶段,汉字形体发生了重大变化,隶书成为这一时期的代表字体。
【简答题】在社会,生产力水平有了进一步提高,农业、畜牧业、手工业显著发展起来,商业和城市日益繁荣。社会生产力的发展带来社会的变化表明 1的建立适应了当时生产力的发展要求 2人类进入了文明时代 3奴制是一种残酷的剥削和压迫制度 4社会代替原始社会是人类历史发展中的一个巨大进步 A. 12 B. 23 C. 34 D. 14