一、說明原因型

    模塊（1）

    In recent years ， … has caused a heated debate on （ 1 ）。

    The factors for （ 2 ） . First of all， （ 3 ）。 Then， there comes a case that （ 4 ）。 Moreover， （ 5 ） ， especially when （ 6 ） .

    Indeed， these unique points can be collected to remind people that （ 7 ）。 In this way， we should behave just like （ 8 ）。

    注釋：

    （1）…現(xiàn)象；（2）解釋該現(xiàn)象原因；（3）原因一；（4）舉例；（5）原因三；（6）主要原因；（7）該現(xiàn)象反映的問題；（8）解決問題的方法。

    參考范文：The Impact of Television

    In recent years， with the development of science and technology， 80 percent of all homes in China have satellite TV， offering as many as 50 channels. It has caused a heated debate on the impact of television on children. Many parents are worried about the impact of so much television on children.

    The factors for （parents‘ worry is that children are indulge in television and spend too much time on it. First of all， with so many programs to choose from， children are not getting as much exercise as they should. Then， there comes a case that some studies have shown that excessive watching of television by millions of children has lowered their ability to achieve in school. Moreover， the effect on children’s minds are more serious than the effect on children‘s bodies，  especially when the children are too small to judge what programs are suit to them.

    Indeed， these unique points can be connected to remind parents that they should pay close attention to and responsibilities for supervising their children‘s TV viewing. In this way， children will not be influenced too deeply.

    模塊（2）

    For most of us today， （ 1 ）。

    From above， we can find that the reasons why （ 2 ） are as follows. The primary reason， I think， is （ 3 ）。 Second， （ 4 ）。 The third reason， actually， is （ 5 ）。

    The significance for （ 6 ） . Therefore， （ 7 ）。

    注釋：

    （1）人們針對(duì)…的態(tài)度和舉措；（2）歸納現(xiàn)狀；（3）第一個(gè)原因；（4）第二個(gè)原因；（5）第三個(gè)原因；（6）重申造成現(xiàn)狀的最重要原因；（7）你的建議。

    參考范文：Pollution

    Most of us today recognize that environmental pollution has been a greatly serious problem. Lots of plants trees corps are destroyed by bad air. Many fish die of poisonous water. Thousands of people die from eating poisoned fish or breathing in gas. Therefore， environmental pollution should be responsible for these diseases that are disabling， or bringing death not only to human beings， but also to wild life.

    From above， we can find that the reasons why environment are polluted more and more seriously are as follows. The primary reason， I think， is the reason of harmful substances into environment. For example， to prevent insects， farmers make use of great amounts of insecticides， so as to have bumper harvests. However， they pollute air， water and land. Secondly， the gas coming from the car engines and factories also make environment polluted badly. The third reason actually is the result of a growing population in the world. Everyday， so much litter and waste are poured out from houses， also pollute the environment.

    The significance for controlling pollution noted that it‘s high time that more effective measures should be taken. Therefore， new laws should be passed to limit the amount of pollutants from factories. Moreover， in the households， there is an obvious need to reduce litter and waste. Let’s make our good efforts， and the world will be a safer place to live for us.