1. But animals of this age do not easily become subservient to man, and a very firm hand must be employed in the early stages.
    但这个年龄的象不易驯服，因此开始阶段需要有一位强有力的老手。

2. But these early misgivings were not shared by everyone, and, in May 1968, one of Britain´s most eminent cardiac surgeons, Donald Ross, decided to perform the operation on 45-year-old Frederick West.
    但是，并不是所有人都怀有这种疑问。1968年5月，作为英国最著名的心脏外科医生之一的唐纳德·威斯决定给四十五岁的弗雷德里克·韦斯特进行心脏移植手术。

3. Back in the early 1960s, when the laser was first being developed, it was viewed by some as a fascinating research tool, others called it a science-fiction toy.
    追溯到二十世纪六十年代初期,当激光最初被开发利用时，一些人视之为神奇的科研工具，另一些人则称之为科幻小说里的玩具。

4. By the late forties and early fifties no one rolled his own anymore (and few women smoked) in my hometown of Eatonton, Georgia.
    到40年代末、50年代初，我的家乡乔治亚州的伊顿镇上已没有人再自己手工制作卷烟了（而且几乎没有女人抽烟）。

5. But they reasoned that it would be worth it if their children got into private schools early and did not have to worry about passing examinations later on.
    可她们又辩解道，如果自己的孩子能早日进入私立学校，用不着以后担心通过入学考试，那么这么做也是值得的。"

6. But if he'd been able to speak with an educated accent in those early short comedy movies, it's doubtful if he would have achieved world fame.
    但假如他在早期那些短小喜剧电影中能操一口受过教育的人的口音，那么他是否会闻名世界就值得怀疑了，

7. By measuring how closely current populations are related, the authors trace the routes by which early humans migrated around the earth.
    通过测定当前人类种群间的亲缘关系，作者们弄清了地球上早期人类迁移的路线。

8. We´ll meet him at the harbour early in the morning.
    明天一大早我们将在码头为他送行。

9. Wang Qing gets up very early.
    王清起得很早。

10. We got up at daybreak, and after an early breakfast we started off for the rice fields.
    天刚亮我们就起了床，早早吃过早饭，就动身去稻田。