嘧啶5'核苷酸酶

英语游戏:Fun and Dine

[全屏观看] 点击右键- 另存为可保存这个Flash影片 Description: The game is won when you reach the level target or earn more money than your opponent. You must constantly upgrade your restaurant to maintain customers and revenue. If yo

发表于:2018-12-12 / 阅读(75) / 评论(0)

Daily Free Games

国家地理-2008-06-12 Lost Pyramind Found 发现新的金字塔

Egyptian archaeologists have discovered the bottom part of an unknown pyramid in the Sakkara area about 18 miles south of Cairo. NationalGeographic explorer-in-residence Dr. Zahi Hawass, the Secretary General of the Egyptian Supreme Council for Anti

发表于:2018-12-30 / 阅读(63) / 评论(0)

国家地理2008年

VOA标准英语2008年-Rice Hopes For Iranian Change of Course on Nucl

Secretary of State Condoleezza Rice says she hopes Saturday's critical meeting with Iran's nuclear negotiator in Geneva will mark a change of course for Tehran in its nuclear dispute with the international community. Rice is sending a senior envoy t

发表于:2019-01-13 / 阅读(38) / 评论(0)

VOA标准英语2008年（七月）

英语听力：自然百科 Lost Pyramind Found 发现新的金字塔

Egyptian archaeologists have discovered the bottom part of an unknown pyramid in the Sakkara area about 18 miles south of Cairo. National Geographic explorer-in-residence Dr. Zahi Hawass, the Secretary General of the Egyptian Supreme Council for Anti

发表于:2019-01-22 / 阅读(68) / 评论(0)

自然百科2008年

Peugeot Slashes Jobs in Grim Sign of Times

PARIS In the latest sign of hard times for Europe, French carmaker PSA Peugeot-Citroen says it will slash about 8,000 jobs and close an assembly plant. French unions are furious at Peugeot's announcement, calling it a declaration of war and an earthq

发表于:2019-02-06 / 阅读(29) / 评论(0)

英语新闻

VOA常速英语2007年-US Says More Talks Needed on North Korea Nuclea

By Kurt Achin Seoul 07 December 2007 The senior U.S. delegate to multinational talks aimed at dismantling North Korea's nuclear capabilities says more discussions are needed before North Korea produces a formal declaration of its nuclear programs. VO

发表于:2019-02-07 / 阅读(32) / 评论(0)

VOA常速英语2007年（十二月）

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a giggle

Abū Simbel, Temple of

adding machines

ageratina altissimas

ammonium fluoroborate