146. The family is a co-operative enterprise for which it is difficult to lay down rules, because each family, needs to work out its own ways for solving its own problems.
2 w% f4 T% o# |) Z9 k. } 147. Besides serving the indefinite needs of its native speakers, English is a language in which some of important works in science, technology, and other fields are being produced, and not always by native speakers. : o8 Z* L' X. Z
148. And someone with a history of doing more rather than less will go into old age more cognitively sound than someone who has not had an active mind. $ p1 X6 O2 b& R: @
149. Perfectionists struggle over little things at the cost of something larger they work toward.
. [2 u- A% |$ @5 s 150. Men are naturally most impressed by diseases which have obvious signs, yet some of their worst enemies slowly approach them unnoticed. ' `' J |" U. S+ P
146、家庭就像是一个合作式的企业一样,很难制定统一的规则,因为每个家庭都需要自己的独特的解决问题的办法。 5 \. ~* H+ y: P7 U9 _
147、除了以英语为母语的人大量地使用英语外,很多重要的科学、技术文献也是由英语写成,而且作者不仅仅是以英语为母语的人。
" y0 g! Z0 A( q) \4 C 148、比起那些头脑不活跃的人来说,年轻时喜欢尽量从事更多工作的人年老后更有认识力。
) P% }7 C2 m; |) l6 ? 149、完美主义者倾向于为了一点小事花费比事情本身更大的代价去完成。 ; q; @' d+ t+ ?. J
150、人类自然地对于那些有明显特征的疾病有深刻的印象,然而他们最可怕的敌人往往在未被人注意时慢慢接近他们。 |