1. The river was very broad , and it took the boat a long time to cross.
    河很宽，船走了很久才到对岸。

2. The city at one time must have been prosperous, for It enjoyed a high level of civilization.
    这座古城在一个时期准是很繁荣的,因为它曾享有高度文明.

3. The Arctic Ocean is considered by some to be a northern part of the Atlantic Ocean.
    有人认为北冰洋是大西洋北边的一个部分.

4. This is not a time for contention.
    这不是争论的时候.

5. The greater part of the journey is spend on narrow, bumpy roads which are crowded with traffic.
    大部分旅程常常要消靡在狭窄、坎坷不平而且车辆拥挤的道路上。

6. This decline in vigour with the passing of time is called ageing.
    这种随着时间流逝的活力衰退就叫做衰老。

7. The heavy storms destroyed a good part of our crops.
    几场暴雨把大部分庄稼都毁坏了。

8. Time alone will efface those unpleasant memories.
    只有时间才能使人淡忘那些不快的记忆.

9. This means that effectively we have no chance of finishing on time.
    这意味著我们实际上没有可能准时完成.

10. The return of the echo will elapse longer time.
    回声返回所耗的时间越长了.