task 1 有两个图，一个曲线，一个饼状图，关于英国electricity在summer和winter的使用情况和用在一些电器上的比率。 task 2 的题目绝了。 happiness is considered important to peoplewhy are the definitions of happiness different?(大概是这样，意思就是问为什么幸福的定义如此不同和难下这个定义)what is the factors in achieving happiness give some examples and relavent evidence.