1·Which of the following, if true, best reconciles the apparent discrepancy presented in the passage?
下列哪个选项，如果正确，最好地调和了文章中呈现的明显差异？
2·Why is there such a discrepancy between the perception of immigrants' impact on the economy and the reality?
为什么移民对经济影响造成的感知和现实之间会有如此大的差异呢？
3·This may have deformed the lower ice, disrupting its annual layers and thereby causing the discrepancy between the records.
这可能会使低层冰变形，破坏其年层，从而造成记录之间的差异。
4·Several explanations have been offered for this decline and for the discrepancy in productivity growth between the manufacturing and service sectors.
对于这种下降以及制造业和服务业之间生产率增长的差异，人们提出了几种解释。
5·All this was compatible with older devices so long as there was only one authoritative timekeeper; but with urban growth and the multiplication of time signals, discrepancy brought discord and strife.
所有这些都与旧的设备兼容，只要只有一个权威的计时器；但随着城市的发展和时间信号的倍增，报时的差异导致了不和与冲突。