对于反应O3+I—+H+——I2+O2+H2O(未配平),下列说法正确的是()

题型:选择题

问题:

对于反应O3+I+H+——I2+O2+H2O(未配平),下列说法正确的是(  )

A.O2和H2O是还原产物

B.该反应能说明O3氧化性大于I2

C.氧化产物与还原物的物质的量之比是1:1

D.配平后的化学方程式为:2O3+2I+4H+I2+2O2+2H2O

考点:氧化性、还原性强弱的比较物质的推断
题型:选择题

男性,63岁。长期吸烟史,罹患慢性支气管炎。拟择期全身麻醉下实施食管中段肿瘤切除术。

在使用镇静药和肌松药的情况下行气管插管,接呼吸机后气道压明显增高,听诊可闻及哮鸣音,应诊断为()。

A.呼吸机故障

B.镇静药用量不足

C.肌松药用量不足

D.气管导管打折

E.支气管痉挛

题型:选择题

今欲发之,乃能从我乎?

题型:选择题

“通信秘密受法律保护”属于我国公民的()。

A、政治自由权利

B、文化教育权利

C、人身自由权利

D、监督权

题型:选择题

焊机的电缆线应使用整根导线,中间不应有连接接头。当工作需要接长导线时,应使用接头连接器牢固连接,连接处应保持绝缘良好。()

题型:选择题

A variety of illegal acts committed by people in the course of their employment, for their own personal gain, are collectively known as white-collar crime. Embezzlement, theft and trading securities (1) insider information are common forms of white-collar crime. The majority of cases involve low-level employees who steal because they are under (2) financial stress. Many plan to (3) the money back as soon as possible but may never do so. Their crimes are usually never (4) because the amounts of money are small, and no one notices the (5) .

(6) , there are some very large cases of white-collar crime, such as multimillion-dollar stock market or banking seams that take years to discover and are extremely difficult and expensive to (7) .

White-collar crime is not (8) to the business sector. Government employment, especially (9) the city level, also provides opportunities to (10) one’s pockets. (11) , building inspectors accept bribes and full-time employees receive (12) payments.

Although white-collar crime is less (13) than street crime, it involves (14) more money and harm to the public than crimes committed by street criminals. It is (15) that there are more criminals (16) the office suites than in the streets, yet the (17) of white-collar makes it difficult to uncover the offenses and pursue the offenders. As the economy (18) from manufacturing to services and electronic commerce, opportunities for white-collar crime (19) , while the technology needed to stop such crimes will (20) .

16()

A.in

B.with

C.of

D.on

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