For this part, you are allowed 30 minutes to write a short easy entitled Should One Expect a Reward When Doing a Good Thing？ You should write at least 150 words following the outline below:

1、有人做好事期望得到回报；

2、有人认为应该像雷锋那样做好事不图回报；

3、我的观点。

It dawns on him that he cannot succeed all on his own ______(不管机会看起来是如何难得).

Part B

Below is a graph showing the percentages of American overweight children (ages 6-11) from 1971 to 2002. Look at the graph and write an essay of about 120 words making reference to the following points:

1) percentage changes in the years

2) possible reasons for the percentage changes

If a bill is made payable to "cash or order", is it a bill of exchange？

We must _________ (充分利用自然资源) to benefit our countrymen.

Jerry Greenfield