綜合類教程匯總和更新

　　下面有3篇短文，每篇短文后有5道題。每道題后面有4個選項(xiàng)，請仔細(xì)閱讀短文并根據(jù)短文內(nèi)容回答其后面的問題，從4個選項(xiàng)中選擇l個最佳答... [查看全文]

　　下面有3篇短文，每篇短文后有5道題。每道題后面有4個選項(xiàng)，請仔細(xì)閱讀短文并根據(jù)短文內(nèi)容回答其后面的問題，從4個選項(xiàng)中選擇l個最佳答... [查看全文]

From the beginning, water has furnished man with a source of food and a highway to travel upon. The first __1_... [查看全文]

admit – acknowledge 承認(rèn)allow – permit 允許state – declare – announce 宣布，聲明regret –... [查看全文]

1.to advantage 有利的，使優(yōu)點(diǎn)更加突出地2.have an advantage over 勝過have the advantage of 由于……處于有利條件have the... [查看全文]

harness——utilize利用hailed——acclaimed向...歡呼, 致敬, 招呼hazard——danger冒險(xiǎn), 危險(xiǎn), 冒險(xiǎn)的事horrify——terrify 使恐怖,... [查看全文]

Human Space ExplorationWhile scientists are searching the cause of the Columbia disaster, NASA is moving ahead wit... [查看全文]

Japanese Drilling into Core of EarthIn what resembles a journey to the center of the Earth, Japanese scientists ... [查看全文]

Plant GasScientists have been studying natural sources of methane for decades hut hadn't regarded plants as a... [查看全文]

A Sunshade for the PlanetEven with the best willl in the world, reducing our carbon emissions is not going to ... [查看全文]