1. "How does the human brain work?" remains one of the most profound questions confront modern science.(1)____
译文:“人脑是如何工作的?”——这仍然是现代科学面对的最深刻的问题之一。
2. One out of every ten persons in the 1978 United States labor force was a teenager, compared by one out of fifteen in 1960.(2)____
译文:1978年,青少年占美国劳工酌十分之一,而1960年这个比例是十五分之一。
3. Even many early leaders of the United States have provided names for towns, only George Washington is remembered in the name of a state.(3)____
译文:尽管很多美国早期领导人的名字都已经用来给城镇命名,但只有乔治·华盛顿的名字是用来给州命名的。
4. Applied research aims at some specific objective, such as the development of a new produce, process, or material.(4)____
译文:应用研究针对某些特定的目标,例如:一种新产品、一道新工序或者一种新材料的开发。
n. 产品,农作物
vt. 生产,提出,引起,