“語(yǔ)言危機(jī)”(1)
- 相關(guān)熱點(diǎn):
- 職稱英語(yǔ)考試真題
科學(xué)60秒:滿月:獅子獵食的預(yù)兆
Think humans are at the top of the food chain? Not quite, in parts of Africa. Lions have attacked over 1000 people in Tanzania in the last 20 years. Two thirds of those attacks were ___1___, and ...
科學(xué)60秒: “身負(fù)重任”的中世紀(jì)盔甲
Medieval armor certainly looks heavy. And now researchers have demonstrated how the protection might have put its wearers at a heavy disadvantage on the battlefield. An armored combatant in the...
高清晰電視(1)
競(jìng)爭(zhēng)常意味著等待人們做出選擇。比如VCR-卡帶式錄像機(jī)的例子...Competition often means waiting for people to make a choice. That was the case with VCRs, video cassette recorders. During the nineteen ...
亞洲專利注冊(cè)熱(1)
最近的一份報(bào)道顯示東亞地區(qū),專利申請(qǐng)注冊(cè)數(shù)量增加迅速The report shows worldwide filings of patent applications grew at an average annual rate of 4.7 percent in 2005, with the highest growth rates ...