2．(教材P26)All scientists subscribe to the view that the increase in the earth's temperature is due to the burning of fossil fuels like coal, natural gas and oil to produce energy.

　　所有的科学家赞同这种观点：人们为了取得能量而燃烧化石燃料(如煤、天然气和石油)，从而引起了地球温度的升高。

　　subscribe to 同意；赞成；订购

　　写出下列句中subscribe to的含义

　　①We all subscribed to what he had said.同意

　　②He subscribes to the view that children can benefit from being independent.赞成

　　③ I have subscribed to several magazines recently.订购

　　[名师点津]　短语"subscribe ...to ..."意为"把......捐赠给......；把......签署在......上"。

　　④Many people subscribed money to the education fund.

　　许多人向那项教育基金捐了款。

　　3．(教材P26)The problem begins when we add huge quantities of extra carbon dioxide into the atmosphere.

　　当我们在大气层中增加了大量额外的二氧化碳时，问题就来了。

　　quantityn. 量；数量；大量

　　(1)in quantity/in large quantities　　大量地

　　(2)a quantity of或quantities of后既可接可数名词也可接不可数名词。

　　(3)"a quantity of＋名词"作主语时，谓语动词用单数；而"quantities of＋名词"作主语时，谓语动词用复数。

　　①The seed was sprayed over the ground in large quantities by planes.

　　飞机把这种草籽大量地撒播在地上。

　　②As a result of destroying the forests, a large quantity of desert has (have) covered the land.

　　由于破坏了森林，大量的沙漠覆盖了陆地。

　　③With more forests being destroyed, huge quantities of good earth are (be) being washed away each year.

　　随着更多的森林被毁，每年有大量肥沃的泥土被冲走。

　　4．(教材P26)It means that more heat energy tends to be trapped in the atmosphere causing the global temperature to go up.

　　这意味着更多的热量有被困在大气层中的倾向，从而引起全球气温上升。

　　tend vi.趋向；易于(be likely to do)；照顾vt.照顾；护理(care for)

　　写出下列句中tend的含义

①His views tend towards the extreme.趋向