理工類(lèi)教程匯總和更新

Only special plants can survive the terrible climate of a desert,for these are regions where the annual range of... [查看全文]

Living in space looks like lots of fun.You can do certain things in space (like floating around,or pushing huge... [查看全文]

　　This November, a hundred million butterflies will drop from the sky over Mexico, like autumn leaves. But for... [查看全文]

　　How does an earthquake start?　　What makes an earthquake happen? The rock of the earth's crust (地殼) may... [查看全文]

　　The Smog　　For over a month,Indonesia was in crisis.Forest fires raged out of control as the country suffered... [查看全文]

　　A Dolphin and an Astronomer　　One day in 1963,a dolphin named Elvar and a famous astronomer,Carl Sagan,were p... [查看全文]

　　Mad Scientist Stereotype Outdated　　Do people still imagine a physicist as a bearded man in glasses or has t... [查看全文]

　　A Pay Rise or Not?　　"Unless I get a rise,I'll have a talk with the boss,Henry Manley，" George Strong ... [查看全文]

　　Plants in Desert　　Only special plants can survive the terrible climate of a desert,for these are regions whe... [查看全文]

　　職稱(chēng)英語(yǔ)考試閱讀判斷為一篇300～450詞左右的短文，題目是七個(gè)陳述句要求考生閱讀原文，并根據(jù)原文所給的信息，判斷每個(gè)陳述句是對(duì)(rig... [查看全文]