1 . This is why we’re here — to observe Tibetan antelopes. (英译汉)
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2 . Wherever life takes us and whatever choices are laid out before us, something worth remembering is that our work, when done well, will not only help us make a living but also help make a life for ourselves and for others. (英译汉)

3 . When you plan an exercise routine, the first thing to consider is what you expect to improve: heart and lung efficiency, muscle strength or flexibility.（英译汉）

4 . This is why we ‘re here—to observe Tibetan antelopes.
________________我们在这里________________——观察藏羚羊。

5 . The major contribution of this great explorer is that he “discovered” the New World.(英译汉)

6 . When I was a little boy(时间状语从句),   the dinner on the eve of Spring Festival was what I looked forward to most(what引导表语从句,在从句中作介词to的宾语).   
译文: ____________________________

7 . It is by acting together, in this exciting way, that we can involve thousands-millions-of people, and this is what is going to change the world. (英译汉)

10 . The reason why this was difficult was that the team has limited resources. （英译汉）