题干

用活性炭还原法处理氮氧化物.有关反应为C(s)+2NO(g)⇌N2(g)+CO2(g).某研究小组向恒容密闭容器中加入一定量的活性炭和NO,恒温(T℃)条件下反应,反应进行到不同时间测得各物质的浓度如下:

物质浓度(mol/L)时间(min)

NO

N2

CO2

0

1.00

0

0

10

0.58

0.21

0.21

20

0.40

0.30

0.30

30

0.40

0.30

0.30

40

0.32

0.34

0.17

50

0.32

0.34

0.17

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同类题4

阅读下面的文言文,完成后面题目。

    王舒,字处明,丞相导之从弟也。父会,侍御史。舒少为从兄敦所知,以天下多故,不营当时名,恒处私门,潜心学植。年四十余,州礼命,太傅辟,皆不就。及敦为青州,舒往依焉。时敦被征为秘书监,以寇难路险,轻骑归洛阳,委弃公主。时辎重金宝甚多,亲宾无不竞取,惟舒一无所眄,益为敦所赏。

    时将征苏峻,司徒王导欲出舒为外援,乃授抚军将军、会稽内史,秩中二千石。舒上疏辞以父名,朝议以字同音异,于礼无嫌。舒复陈音虽异而字同,求换他郡。于是改“会”字为“郐”,舒不得已而行。在郡二年而苏峻作逆,乃假舒节都督,行扬州刺史事。时吴国内史庾冰弃郡奔舒,舒移告属县,以吴王师虞斐为军司,率众一万,与庾冰俱渡浙江。前义兴太守顾众、护军参军顾飏等,皆起义军以应舒。舒假众扬威将军、督护吴中军事,飏监晋陵军事,于御亭筑垒。峻闻舒等兵起,乃赦庾亮诸弟,以悦东军。舒率众次郡之西江,为冰、飏后继。冰、飏等遣前锋进据无锡,遇贼将张健等数千人,交战,大败。贼遂入吴,烧府舍,掠诸县,所在涂地。舒遣子允之行扬烈将军,与将军徐逊、陈孺及扬烈司马朱焘,以精锐三千,轻邀贼于武康,出其不意,遂破之。斩首数百级,贼悉委舟步走。是时临海、新安诸山县并反应贼,舒分兵悉讨平之。会陶侃等至京都舒等并以屡战失利移书盟府自贬去节侃遣使敦喻不听。及侃立行台,上舒监浙江东五郡军事,允之督护吴郡、义兴、晋陵三郡征讨军事。既而晃等南走,允之追蹑于长塘湖,复大破之。贼平,以功封彭泽县侯,寻卒官。赠车骑大将军、仪同三司,谥曰穆。

(选自《晋书》列传第四十六)

同类题5

阅读下面短文,在空白处填入1个适当单词或括号内单词的正确形式。

    Chinese architecture is a style that has taken shape in East Asia over many centuries. The structural principles of Chinese architecture have remained largely ____ (change), the main changes being only the decorative details. Since the Tang Dynasty, Chinese architecture  ____ (have) a major influence ____ the architectural styles of Korea, Vietnam, and Japan.

    The architecture of China is as old as Chinese civilization. From every source of information, there is strong ____(evident) that the Chinese have always enjoyed a native system of construction that has kept its principal characteristics from old times to the present day. Over the large area from Chinese Turkistan (突厥) to Japan, the same system of construction is popular and this is the area of Chinese cultural influence.

    Throughout ____ 20th century, western-trained Chinese architects have tried ____ (combine) traditional Chinese designs into modern architecture, with great success. Moreover, the pressure for urban development throughout contemporary China required higher speed of construction and higher floor area ratio (容积率),____ means that in the great cities the demand for traditional Chinese ____ (build) has declined in favor of modern architecture. ____ the traditional skills of Chinese architecture,____ (include) major and minor carpentry (木工), and masonry (石工), are still applied to the construction of vernacular architecture in the large rural area in China.