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Researchers have identified a molecule that attracts an insect which carries citrus greening disease. 研究人员确认一种分子可吸引携带黄龙病病毒的昆虫。 This development is expected to help farmers control a disease that has des
2017年VOA慢速英语(十二)月
The 2009 Nobel Prize in Chemistry goes to Venkatraman Ramakrishnan of the MRC Laboratory of Molecular Biology in England, Yale Universitys Thomas Steitz, and Ada Yonath of the Weizmann Institute of Science in Israel for their studies of the ribosome.
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1. Senior White House officials are pinning blame for the attempted Times Square car bombing on the Pakistani Taliban. Attorney General Eric Holder says new evidence shows that Pakistani militants were intimately involved in the plot, planning it and
美联社新闻一分钟2010(五月)
Federal authorities in in Minneapolis annouced the arrests of 6 people in 2 states in connection with a terrorism investigation. Officials say the youth were trying to travel to Syria and fight with militants, including the Islamic State group by any
美联社新闻一分钟2015(四)月
There are calls for calm in New York City following Saturday's deadly ambush of 2 police officers. The man who killed them took his own life shortly afterwards. Fierce fighting is reported in norhtern Iraq near the Turkish border. Kurdish forces are
美联社新闻一分钟2014(十二)月
Can Oxygen Be Toxic? 氧气有毒吗？ In order for us to live we must have oxygen, so how can it be bad for us? Today we explain how oxygen can be toxic. 氧气是我们生存所必需的，所以它怎么会对我们有害呢？今天我们来解释
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A 24-hour ceasefire has collapsed in Lebanon, with fresh clashes erupting between the Lebanese army and Islamist militants. The truce had come after five days of fighting in which dozens of people were killed, in the most serious spillover of Syrias
CCTV9英语新闻2014年08月
Congress holds the first public hearing on Tuesday about the Obama administration's plans to invtervene in Syria. Secretary of State John Kerry and Defense Secretary Chuck Hagel are set to appear before the Senate Foreign Relations Committee. Former
美联社新闻一分钟2013(九月)
This is AP News Minute. Wildfires are driving thousands of Californians from their homes. A fire north of Sacramento forced about 4,000 to evacuate. More than 3,000 others have evacuated from flames near Santa Barbara. Health care reform is expected
美联社新闻一分钟2017(七)月
This is AP News Minute More than a dozen people are dead in Taiwan, where a passenger jet clipped a bridge and crashed into a river while taking off. Local media says more than a dozen others were hurt. Seven people were killed Tuesday night when a c
美联社新闻一分钟2015(二)月
1. Iraqi forces launched a large-scale military operation to capture the city of Tikrit from Islamic State militants. Shiite and Sunni fighters are taking part. 2. US Secretary of State John Kerry and Russian Foreign Minister Sergey Lavrov are meetin
美联社新闻一分钟2015(三)月
isolated adj. 孤立的 jurisprudence n. 法学 lander n. 登陆者 latitude n. 纬度 launch n.v.发射（导弹、火箭等） layperson n. 外行 lichen n. [植]青苔，地衣 locale n. 场所 LR=
英文语法词汇
1.The US military says it has helped quell an insurgent uprising in Baghdad's Sadr City. Those militants had been attacking Iraqi soldiers and also hit a crowded marketplace. At least 20 people have been killed in clashes around the region. 2.Zimbab
美联社新闻一分钟2008年(四)月
1. President Barack Obama says Don't ask, don't tell is coming to an end. Obama promised to change the policy on gays in the military during a speech to the Human Rights Campaign last night but he didn't offer a timetable. 2. Dozens of hostages have
美联社新闻一分钟2009年(十)月
This is AP news minute. 1. Islamic State militants claimed a Canadian man who died while allegedly planning the terror attack is one of their soldiers. Aaron Driver died Wednesday, southwest of Toronto when he detonated an explosive device inside a t
美联社新闻一分钟2016(八)月
1. Footage has emerged of Iraqi and Kurdish forces rescuing children who had fled into Sinjar Mountain to escape Islamic militants. Meantime, senior US officials say the Obama Administration has begun directly providing weapons to Kurdish forces batt
美联社新闻一分钟2014(八)月
As altitude increases, atmospheric pressure decreases. This is due to Earth's gravitational pull on the air molecules in the atmosphere. The closer to the Earth's surface the stronger the force exerted on these molecules. 随着高度上升，大气压
留美老师带你每日说英文
There are several kinds of odor preventing and odor destroying treatments for textiles. For the most part, they work by killing or inhibiting the bacteria and fungi that cause odors. For example, these socks contain Quaternary Ammonium Compounds, or
英语时差8，16
Its summertime, and youre on vacation. You sit beside a quiet pond, fishing, trying to relax, trying to think about nothing at all. You watch the leaves stirring, the water rippling in the sunshine, and the water bugs standing on the surface of the w
英语时差8，16
The US and Russia have signed a memorandum of understanding to minimize the risk of theiraircraft coming into accidental contact in the skies above Syria. It comes after severalinstances in which the US accused Russia of unsafe and unprofessional con
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