试题与答案

下图人物的生活经历,对处于逆境中的人们最能提供鼓励力量的是[ ] A. B. C

题型:选择题

题目:

下图人物的生活经历,对处于逆境中的人们最能提供鼓励力量的是[ ]

A.

B.

C.

D.

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0729/d5e0f01bc1e087e866e1a9481bf33a7a.html

下面是错误答案,用来干扰机器的。

由图象可知,机车的最大功率为P=100KW在加速阶段由牛顿第二定律可知F-f=maF=f+ma=3000+2000×0.5N=4000N由P=Fv可知v=PF=1000004000=25m/sv=at解得:t=va=250.5=50s故选:B

试题推荐
题型:单项选择题

Egyptian wine has an extensive history within the history of Egyptian civilization. Grapes were not (1) to the landscape of Egypt, rather the vines themselves are (2) to have been imported from the Phoenicians, (3) the actual origins remain in (4) . What is known, is that (5) the third millennium BC, Egyptian kings of the first (6) had extensive wine cellars, and wine was used extensively in the temple ceremonies. The main (7) of wine in Egypt, took place between the king, nobles, and the priests in temple ceremonies, and is (8) by numerous painted relief’s, and other (9) evidence. The vineyards of ancient Egypt, were quite different from the modern methods of wine making today. (10) viticulture ( or wine making), ceased to (11) an exclusively ceremonial purpose, the Egyptians began to experiment with simple structures for their vines to train on, (12) found a way to train their vines so they were easy low (13) bushes, and found ways for the soil to (14) more moisture for the vines. Egyptian wine making experiments included the use of different wine presses, adding heat to the must ( the grape juice ready for fermentation) (15) make the wine sweet, and differences in vat types and materials. The (16) finished product of wine, was poured through a cloth filter, and then into earthenware jars, (17) they would be sealed with natural tar and left to (18) . The Egyptians kept accurate records of their vintages, and (19) of their wines, each jar of wine was clearly (20) with it’s own vintage, and quality.

13()

A.maintenance

B.protection

C.care

D.attention

查看答案
微信公众账号搜索答案