Part 2

A. Only when the researchers have obtained sufficient data can they come to a sound conclusion.

B. But trucks are big and carry a heavy load;they are accepted because they perform a needed service, making America move.

C. Parents planning to divorce do not sufficiently prepare their children for the coming crisis,nor do they provide them with the necessary assurances that they will be cared for in the aftermath.

D. As for the influence of computerization,nowhere have we seen the results more clearly than in the bank.

但是卡车很大，并且载重很多；它们被人们接受是因为它们提供了人们需要的服务，使美国向前发展。

只有当研究者获得充分的数据，他们才能得出一个正确的结论。

打算离婚的父母没有很好地培养孩子应对将要到来的危机的能力，他们也没有向孩子们作出很有必要的保证：以后会有人照顾你们的。

至于计算机化的影响，没有什么地方比银行能更清楚地看到其成果。