【简答题】I don’t object to your trying to make some pocket money while you are at university, but don’t __________ your studies.
【单选题】I don’t object to your trying to make some pocket money while you are at university, but don’t ___________ your studies.
【单选题】In 1575—over 400 years ago the French scholar Louis Le Roy published a learned book in which he voiced despair over the changes caused by the social and technological innovations of his time, what we ...
A.
An overpopulated earth will be unable to sustain its inhabitants.
B.
The rich will become richer and the poor will become poorer.
C.
New sources of energy will be substituted for oil and natural gas.
D.
The effects of pollution will pose a dreadful threat to mankind.
【判断题】良好的道路交通系统应该适应人,而不是强迫人去适应道路交通系统。
【单选题】施工现场宜选用低噪声、低振动的设备,强噪音设备宜设置在远离居民区的一侧,并应采用()材料搭设的防护棚或屏障。
【简答题】在低温下,微生物____活性降低,导致代谢活动降低
【单选题】施工现场的强噪声设备()设置在远离居民区的一侧。
【多选题】根据总产量和边际产量的具体数据,可将生产的过程划分成三个阶段,分别用I、II、III来表示,下列关于三个阶段的说法中正确的是
A.
在Ⅰ阶段可变要素(劳动)投入不足,生产者必须要增加可变要素(劳动)的投入,扩大生产
B.
在Ⅱ阶段,劳动要素投入的增加仍然可以使总产量以递减的趋势增加,是生产要素投入的合理阶段
C.
在Ⅲ阶段,每增加一个单位的可变要素就会减少总产量,生产者不会将生产停留在这一阶段的任何产量上,他必然要减少可变要素(劳动)的投入,提高生产效率