单选题
8、The ups and downs of life may seem to have no predictable plan. But scientists now know there are very definite life patterns that almost all people 76 ____ . Today，when we live 20 years longer than our great-grandparents，and when women mysteriously 77 ____ men by seven years，it is clearer than ever that the“game of life”is really a game of 78 ____ . As we age, we trade strength for ingenuity，speed for thoroughness，passion for reason. These 79 ____ may not always seem fair，but at every age，there are some 80 ____ . So it is reassuring to note that 81 ____ you've passed some of your“prime.”you still have other prime years to experience 82 ____ . Certain important primes seem to 83 ____ later in life. Then which are the best years of life? When asked this question, people may 84 ____ with various answers. It seems that different periods of life 85 ____ to different kinds of achievement.
78.____
参考答案
A
题目详解：
生活中有得有失，"trade-offs"表示权衡、取舍，最符合文中"用智慧换取力量，用细致代替速度，用理性取代激情"的语境。记忆小技巧："人生如戏，trade-offs是真谛"。
136****3830
A trade offs 权衡，以…换取。
B. trade in 置换，旧物换新物
C年份
D年龄
136****3830：
根据后面句子判断，选A