表面活性物质: 在工业上有较大的用途。当排入江河中,会产生严重的污染,导致水质恶

题型:填空题

问题:

表面活性物质:

在工业上有较大的用途。当排入江河中,会产生严重的污染,导致水质恶化。试回答下列问题:

(1)该物质可以被生物降解,其降解的最终产物是什么?

(2)当它在水体中尚未被生物降解时,有人认为,它会导致水体缺氧。这句话是否符合事实,为什么?

考点:葡萄糖油脂纤维素氨基酸
题型:填空题

护理营养支持病人的预期目标有

A.病人发生误吸的危险性下降或消除

B.病人未发生感染

C.病人接受肠内、外营养期间未诉不舒适

D.病人接受肠内营养期间维持正常的排便习惯,未出现腹泻

E.病人未发生与留置喂养管或营养支持相关的并发症

题型:填空题

某气象站测得某日14点的干球温度为20.0℃,湿球温度为10.0℃,气压为1010.2百帕,请根据所学知识估算一下该站的相对湿度以及饱和差。

(已知干湿表系数A为0.000667℃-1,E20.0=22.9hpa,E10.0=12.2hpa)

题型:填空题

在对工程1、2、3、4进行成本评价时,它们的成本改善期望值分别为:△C1=-20,△C2=-10,△C3=10,△C4=20,则优先改进的对象是( )。

A.工程1
B.工程2
C.工程3
D.工程4

题型:填空题

根据《中华人民共和国进出口商品检验法》的规定,对于列入( )的进出口商品,必须依法实施检验。

A.《进出口商品协调制度》

B.《国际贸易商品分类表》

C.《法检目录》

D.《商品检验目录》

题型:填空题

In country after country, talk of nonsmoker’s right is in the air. While a majority of countries have taken little (51) no action yet, some 30 nations have introduced legislated steps to control smoking. Many laws have been introduced in other countries to (52) clear the air for nonsmokers, or to cut cigarette consumption.

Smoking is harmful (53) the health of people. World governments should conduct serious campaigns against it. (54) on cigarette advertisements, plus health warnings on packages and ban on public smoking in certain places, (55) as theaters, cinemas and restaurants, are the most popular tools used by nations in (56) of nonsmokers or in controlling smoking. But world attention is also focusing on another step (57) will make the smoker increasingly self-conscious and uncomfortable about his habit. Great efforts should be made to (58) young people especially of the dreadful consequences of taking up the habit. And cigarette price should be raised.

In the long run, (59) is no doubt that everybody would be much better-off if smoking were banned altogether but many people are not (60) for such drastic action.

56().

A.short 

B.support 

C.some 

D.any

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