1. Children were told that they could have a single treat, such as a piece of candy, right now.
    他们告诉孩子们可以马上吃到一样东西，比如一块糖。

2. "I feel miserable because I haven´t got any jewels, not a single stone, to wear.
    “我觉得痛苦，因为我没有任何珠宝首饰可戴，一个都没有。

3. On a race track?
    在赛车道上吗？

4. One single tear flows from her left eye, across the cheek and down onto the pillow.
    一颗泪珠从她的左眼中渗出，滑过脸颊，落在枕上。

5. One apparent exception to the general trends is Japan, where single-parent households and unmarried mothers have remained relatively rare.
    对于这一总体趋势，日本明显是个例外，该国的单亲家庭和未婚妈妈一直相对较少。

6. On the ground before you is the pile it held — so much like the piles in the other bags, could they be emptied, that all might be combined and mixed in a single heap and the bags refilled without altering the content of any greatly.
    面前的地上则是袋中所装的那堆东西的--它与其他袋子中所倒出的一堆堆东西几乎一模一样，如果把它们混成一大堆，再重新装回各自的袋中，也不会有多大的不同。

7. One Tokyo attraction has six roller coasters (环滑车道), which can spin 360 degrees, while whipping around the track.
    东京的一家游乐园里有6个环滑车道，能在沿着轨道快速滑行时，作360度旋转。

8. I spent the whole day in my room, but I did not write a single card!
    我在屋里呆了一整天，可连一张明信片也没写成。

9. It is as if a single unimportant event set up a chain of reactions.
    好像是一件无关紧要的小事引起了一连串的连锁反应。

10. I spent the whole day in my room, but I did not write a single card!
    我在房间里关了整整一天，然而竟连一张明信片也没写成！