一词组
1 from one place to another从一个地方到另一个地方
2 In search of 寻找
3 in nature 在大自然中，本质上，事实上
4 millions of 数百万
5 a team of 一队，一组，一批
6 two pieces of information 两条信息
7the solution to the mystery 谜底
8 crash by 猛跌了
9 in the last few years 在过去的几年里
10 cut down 削减;减少使用;砍倒（树木）
11 make sure 确保;务必;尽力做到;深信;
12 feed on 以……为主食；以……为能源
13 a travel leaflet 旅行传单
14 the cause-effect flow chart 因果流程图
15for the first time 首次，第一次
16as busy as a bee 忙得团团转，非常忙碌
17kill two birds with a stone 一箭双雕
18When the cat`s away,the mice will play.
猫儿不在，老鼠作怪
19hold your horses 慢点，别急
20 rain cats and dogs 下倾盆大雨
21 listen out 留神听;留心听
22 at the very start of 在...的最初
23 in the wild 自然环境下，在野外
24 brave the elements 不顾天气恶劣，冒着风雨
25 be known for 因...而著名
26 at the speed of 以…的速度
27 step out of 从...走出
28 concentrate on 专心于，把思想集中于;将…集中于…
29 from time to time 不时地;间或;偶尔
30 in a single image 在单幅图像中，基于单幅图像
31show respect to 尊重
32 be famous for 因...而闻名
33 a weight of ...重
34 recover from 从...收回，恢复，痊愈
35 vote for 投赞成票
36 survive a great chance 幸免于难
37 take...for example 以...为例
38 solve the mystery 解谜
二 句型
1 Somehow they managed to travel around 4,000 kilometers south and find their way to California or Mexico
不知怎的，他们设法南下4000公里，找到了去加利福尼亚或墨西哥的路。
2 The solution to the mystery of the monarch`s amazing ability comes at a time when it is in serious trouble
解决黑脉金斑蝶能力之谜的方法是在它陷入严重困境之际提出的。
3 Its population has crashed by as much as 90 percent in the last few years.
在过去几年里，它的人口锐减了90%。
4 If this works, there may come a time when the number of monarch butterflies increases once again.
如果这种方法奏效，可能会有一天，黑脉金斑蝶蝶的数量再次增加。
5 The more we know about this lovely creature,the greater chance it will survive and keep is place in the natural world for a long time to come
我们对这种可爱的生物了解得越多，它在自然界中生存和维持很长一段时间的机会就越大。
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