rb的用法

China bans two food additives in flourBEIJING - Chinese authorities have banned the production of two food additives commonly used to bleach flour, said the Ministry of Health Tuesday.The two additives, benzoyl peroxide

The World Trade Organization (WTO) upheld its decision on Friday that Washington provided illegal tax breaks to aircraft maker Boeing in a trade ruling that favors European Union rival Airbus.The WTO ruled in its co

CCTV9英语新闻：国际冰雪节哈尔滨开幕International Ice Sculpture Expo opens in HarbinHarbin, the capital of NE Chinas Heilongjiang Province, is famous for its ice and snow exhibition and every winter the city attracts crow

Chinese President Xi Jinping returned to Beijing on Saturday afternoon after his state visit to Kazakhstan.At the invitation of his Kazakh counterpart Nursultan Nazarbayev, Xi paid a four-day official visit to Kazakhstan

More than 1,000 people picketed ABCs headquarters in Burbank on Saturday to protest a Jimmy Kimmel segment that joked that the United States should kill everyone in China.超过1000名抗议者在上周六围堵了位于伯班克的美国广

Chinese President Xi Jinping attended a welcome ceremony held by his Kazakh counterpart Nursultan Nazarbayev in Astana on Thursday.Xi arrived in the Kazakh capital on Wednesday for a four-day state visit to the central A

刀锋战士奥斯卡皮斯托留斯Paralympic champion Oscar Pistorius has made history as he qualified for the 400 metres semi-finals at the World Athletic Championships. The athlete known as Blade Runner, due to his carbon fibre

Orbital ATK's automated cargo spacecraft, Cygnus, was successfully unberthed from the International Space Station on Sunday, beginning its experimental missions before it reenters Earth's atmosphere, the U.S. aer

CCTV9英语新闻：英美纪念洛克比空难25周年US, UK mark 25th anniversary of Lockerbie bombingFamilies of some of the 270 people who died in the bombing of a Pan American plane over Scotland 25 years ago have gathered for memo

人为环境artificial environment 三段教学法three formal lesson-steps; three formal steps 口述作文oral composition 口授oral instruction; oral teaching; verbal instruction 口算oral arithmetic 口语表达oral expression 口头报告