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何凯文2020考研每日一句来了，这是何凯文老师第8年的坚持，从元宵节开始一直到考前，跟着何凯文老师一起坚持学习起来，下面是湖北文都考研小编为大家整理的何凯文每日一句第156句!

One reason for the complexity is that airlines were early adopters of computerised systems. They built their first electronic reservation systems in the early 1950s; Delta’s current system once belonged to a defunct airline that went bust in 1982. But as airlines merged and more new functions were added—from crew scheduling to passenger check-in and bag tracing— they have come to resemble technological hairballs in which one small problem quickly spirals into bigger ones that even experts struggle to disentangle.

1.Why the system of the airlines is so complicated?

B) New functions were added to the early users of the airlines.

D) IT system was introduced in Airlines’ infancy. 

1. One reason for the complexity is that airlines were early adopters of computerised systems. 

2. They built their first electronic reservation systems in the early 1950s; Delta’s current system once belonged to a defunct airline that went bust in 1982. 

3.But as airlines merged and more new functions were added/—from crew scheduling to passenger check-in and bag tracing—/ they have come to resemble technological hairballs /in which one small problem quickly spirals into bigger ones that even experts struggle to disentangle.

体会一下第二句和第三句之间的转折。你体会的到吗？

1.Why the system of the airlines is so complicated?

为什么航空公司的系统如此之复杂？

One reason for the complexity is that airlines were early adopters of computerised systems.

=C选项：Airlines introduced the IT system in early days.

所以A和B都属于是定位错误！

我不太理解为什么会有人选A和B。

还有人说看But 后！

A) One small problem will bring reservation systems down.

没有说会让预定系统瘫痪啊！

文中说了新功能被加到航空公司的IT系统上了。

当然A和B主要是定位错误！

航空公司在很早的时候就用了IT系统。

D) IT system was introduced in Airlines’ infancy. 

航空公司在其初创期就采用了IT系统。

你可能会说C选项的in early days没说清楚是什么的早期！

但D选项是一定错啊！

定位定位定位！

偶尔做做题辣辣眼睛！