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问题 单项选择题

科氏力质量流量计检测管两侧的振动中心设置传感器，传感器是由（）组成。

（A）测量管、驱动线圈、检测线圈和前置放大器

（B）温度检测线圈、驱动线圈、流量变送器、支撑架

（C）分流弯头、驱动线圈、测量管、前置放大器

（D）检测线圈、支撑架、前置放大器测量管

答案

参考答案：A

判断题

在月末结账之前必须在固定资产系统与账务系统之间进行对账，若对账平衡，才能开始月末结账。()
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单项选择题

Until recently, most population growth has occurred in relatively dense urban environments. In (91) words, even if we were witnessing rapid population growth, that would not mean that the (92) were filling in with people. (93) , the urban areas would tend to become more crowded. Historically, we find that people have moved to (94) the jobs were. Jobs were usually in ports or locations with many natural (95) . After transportation became relatively cheap, other geographical locations became (96) of economic activity. One factor that determines where people will move to, even when transportation becomes cheap, is (97) . And individuals working in cities (98) higher incomes than those working in (99) areas. Hence, population has tended until the 1970s to (100) in our major urban centers. Recently population has (101) out of the Northeast to the South and to the West for the more pleasant climates. If people did not (102) from living in large cities, there would likely be a much more even population distribution (103) our entire land area. Probably, if this (104) the case, there would be less concern over population (105) Indeed, one need only (106) a cross-country drive or plane trip to realize how (107) populated these United States really are. This is not to say that we should or should not do something about (108) growth. The shortage of people in certain areas merely demonstrates that overpopulation in the United States is really only a problem in (109) urban environments. And this problem may be slowly correcting (110) .

A．earn

B．gain

C．win

D．obtain
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