小题1:of great help/use/value/benefit; don’t think/suppose
小题2:When asked; couldn’t help crying
小题3:whether…or not, the balance of nature
小题4:toys with; challenges our moral ideas
小题5:made an apology to; keep his word/promise
问几句英语句子的翻译,网络方面的~P2P will be diffcult, if not next to impossible, to squash
P2P将非常难以（如果不是近于不可能）压缩
Certainly, a Web page could be created, but for the sake of argument
当然，可以创建一个网页，但这只是个假设
...since most people have a broadband connection that sits around relatively unused in terms of bandwidth
...因为多数人周围都有宽带连接，但就带宽而言，相对使用率很小
太阳东升西落。
The sun rises in the east and sets in the west
在回家的路上我的车突然抛锚了
My car was suddenly at anchor on my way home
My car suddenly came to an anchor on my way home
My car abruptly let go an anchor on my way to go home
My car suddenly broke down on my way to go home
My car was suddenly out of order
我们早晨出发，天黑后到家。
We set off in the morning and got home in the darkness
总经理给的礼物终于到了。
The gift / present from premier has arrived
秘书工作到深夜，总统准备讲话。（这个题好像抄错了，凑合写吧）
Secretary work deep into the mid-night , president began to speak
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