密度(ρ)的计算公式正确的是()。(m-质量,V-体积)A、m/V B、mV C、V

题型:单项选择题

问题:

密度(ρ)的计算公式正确的是()。(m-质量,V-体积)

A、m/V

B、mV

C、V/m

D、1/mV

考点:催化裂化装置操作工初级催化裂化装置操作工初级催化裂化装置操作工题库
题型:单项选择题

阅读朱自清的《绿》,回答后面的题目。

绿

朱自清

  我第二次到仙岩的时候,我惊诧于梅雨潭的绿了。

  梅雨潭是一个瀑布潭。仙岩有三个瀑布,梅雨瀑最低。走到山边,便听见花花花花的声音;抬起头,镶在两条湿湿的黑边儿里的,一带白而发亮的水便呈现于眼前了。我们先到梅雨亭。梅雨亭正对着那条瀑布;坐在亭边,不必仰头,便可见它的全体了。亭下深深的便是梅雨潭。这个亭踞在突出的一角的岩石上,上下都空空儿的;仿佛一只苍鹰展着翼翅浮在天宇中一般。三面都是山,像半个环儿拥着;人如在井底了。这是一个秋季的薄阴的天气。微微的云在我们顶上流着;岩面与草丛都从润湿中透出几分油油的绿意。而瀑布也似乎分外的响了。那瀑布从上面冲下,仿佛已被扯成大小的几绺;不复是一幅整齐而平滑的布。岩上有许多棱角;瀑流经过时,作急剧的撞击,便飞花碎玉般乱溅着了。那溅着的水花,晶莹而多芒;远望去,像一朵朵小小的白梅,微雨似的纷纷落着。据说,这就是梅雨潭之所以得名了。但我觉得像杨花,格外确切些。轻风起来时,点点随风飘散,那更是杨花了。——这时偶然有几点送入我们温暖的怀里,便倏的钻了进去,再也寻它不着。

  梅雨潭闪闪的绿色招引着我们;我们开始追捉她那离合的神光了。揪着草,攀着乱石,小心探身下去,又鞠躬过了一个石穹门,便到了汪汪一碧的潭边了。瀑布在襟袖之间;但我的心中已没有瀑布了。我的心随潭水的绿而摇荡。那醉人的绿呀!仿佛一张极大的荷叶铺着,满是奇异的绿呀。我想张开两臂抱住她;但这是怎样一个妄想呀。——站在水边,望到那面,居然觉着有些远呢!这平铺着、厚积着的绿,着实可爱。她松松的皱缬着,像少妇拖着的裙幅;她轻轻的摆弄着,像跳动的初恋的处女的心;她滑滑的明亮着,像涂了“明油”一般,有鸡蛋清那样软,那样嫩;她又不杂些儿尘滓,宛然一块温润的碧玉,只清清的一色——但你却看不透她!我曾见过北京什刹海拂地的绿杨,脱不了鹅黄的底子,似乎太淡了。我又曾见过杭州虎跑寺近旁高峻而深密的“绿壁”,丛叠着无穷的碧草与绿叶的,那又似乎太浓了。其余呢,西湖的波太明了,秦淮河的又太暗了。可爱的,我将什么来比拟你呢?我怎么比拟得出呢?大约潭是很深的,故能蕴蓄着这样奇异的绿;仿佛蔚蓝的天融了一块在里面似的,这才这般的鲜润呀。——那醉人的绿呀!我若能裁你以为带,我将赠给那轻盈的舞女;她必能临风飘举了。我若能挹你以为眼,我将赠给那善歌的盲妹;她必明眸善睐了。我舍不得你;我怎舍得你呢?我用手拍着你,抚摩着你,如同一个十二三岁的小姑娘。我又掬你入口,便是吻着她了。我送你一个名字,我从此叫你“女儿绿”,好么?

  我第二次到仙岩的时候,我不禁惊诧于梅雨潭的绿了。

(1)课文和上文作者对“绿”的感情都是________________________。你是从文中哪些语句看出来的?请在文中用横线画出。

(2)课文和上文对“绿”描绘得如此生动形象,都采用了__________________的修辞手法。请各选一例并简析。

_________________________________________________________

(3)两文的作者对“绿”的感情是一致的,但却采取了不同的做法。他们分别是怎样做的?你认为应怎样做?为什么?

_________________________________________________________

题型:单项选择题

22岁男性,突然左眼视力下降,视力0.1,左眼瞳孔相对性传导阻滞,视野中心暗点,左侧视盘水肿,诊断为()

A.急性视 * * 炎

B.急性球后视神经炎

C.视盘血管炎

D.垂体瘤

E.颅咽管瘤

题型:单项选择题

下列关于滴丸的叙述,错误的是()

A.常用的基质有水溶性和脂溶性两类

B.为控制滴丸释药速度,可将滴丸包衣

C.普通滴丸的溶散时限为30分钟

D.为提高滴丸的生物利用度应选用脂溶性基质

E.使用脂溶性基质时可选用水或不同浓度的乙醇为冷凝液

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.

11()

A.act

B.serve

C.work

D.reach

题型:单项选择题

“诗者,志之所之也,在心为志,发言为诗。”出自()。

A、《乐记》

B、《说文解字》

C、《文心雕龙》

D、《毛诗序》

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