2. 云端教室【听笑话学英文】 系列 0125 小胡主讲 http://goskyclass.com

3. 听 笑 话 学 英 文 云端教室系列讲座 Watermelon Patch (Page 1 of 2) A small-town country farmer has a watermelon patch and upon inspection he discovers that some of the local kids have been helping themselves to his prized watermelons. The farmer thinks of ways to discourage this profit-eating situation. So he puts up a sign that reads: "WARNING! ONE OF THESE WATERMELONS CONTAINS CYANIDE!”

4. 听 笑 话 学 英 文 云端教室系列讲座 Watermelon Patch (Page 2 of 2) He smiled smugly as he watched the kids run off the next night without eating any of his melons. The farmer returns to the watermelon patch a week later to discover that none of the watermelons have been eaten, but finds another sign that reads: "NOW THERE ARE TWO!”