标签:immune 相关文章
HIV, the virus that causes AIDS, frequently mutates. That has allowed the virus to bypass the immune system and infect about 80 million people over the last 35 years. However, researchers say the rapid evolution of HIV actually may be reducing its ab
You've probably heard of peanut or shellfish allergies,but a meat allergy,not as common. Even weird * will might be causing it, tick bites.According to a study in the journal of General Internal Medicine. A few years back, folks started showing up in
Xiaohua is 12 and lives in a province in South China. She is a happy girl who smiles a lot and likes to talk to her friends after school. People who see Xiaohua would never guess that she is one of millions of children in the world living and dying
A Truckers Last Letter Steamboat Mountain is a man-killer, and truckers who haul1) the Alaska Highway treat it with respect, particularly in the winter. The road curves and twists over the mountain and sheer cliffs drop away sharply from the icy road
A Little Piece of Me When he told me he was leaving I felt like a vase which has just smashed. there were pieces of me all over the tidy, tan tiles. He kept talking, telling me why he was leaving, explaining it was for the best, I could do better, it
SCIENCE IN THE NEWS - Successes Against Tuberculosis, But Not Everywhere By George Grow Broadcast: Tuesday, July 19, 2005 (MUSIC) VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Bob
VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. Im Barbara Klein. VOICE TWO: And Im Steve Ember. On our program this week, we tell about the disease tuberculosis. Tuberculosis can be deadly if not treated the right way. It is a serous
Update: Breakthrough in Fighting Zika From VOA Learning English, this is the Health Lifestyle report. Researches have reported a breakthrough in the search for a treatment for Zika virus. To better understand this report, you will need to know the fo
5. By 1996 foreign-born immigrants who had arrived before 1970 had a home ownership rate of 75. 6 percent, higher than the 69.8 percent rate among native-born Americans. 【分析】复合句。句子主干为foreign-born immigrants...had a home owne
You want to know the secret to success? Here it is: 你想知道成功的秘诀吗?下面我就告诉你: Believe in yourself so much, that no one else can tell you otherwise. 要足够相信自己,这样就没有人能对你指手画脚了。
SCIENCE IN THE NEWS - Autoimmune Diseases Threaten The Body's Natural Defense For Fighting DiseaseBy Brianna Blake Broadcast: Tuesday, November 21, 2006 VOICE ONE: This is SCIENCE IN THE NEWS, in VOA
Spending too much time online can increase your risk of catching a cold or the flu, scientists have warned. 科学家近日警告,上网时间过长会增加患感冒和流感的几率。 Those with greater levels of internet addiction are more lik
A Little Piece of Me When he told me he was leaving I felt like a vase which has just smashed. there were pieces of me all over the tidy, tan tiles. He kept talking, telling me why he was leaving, explaining it was for the best, I could do better, it
别了,我生命中的过客 当他告诉我他要离开的时候,我感觉自己就像花瓶裂成了碎片,跌落在茶色瓷砖地板上。他一直在说话,解释着为什么要离开,说什么这是最好的,我可以做得更好,都
运用各学科知识强化记忆,扩展词汇量 运用文学知识强化记忆 Tantalus 希腊古典神话中的男神坦塔罗斯 tantalum 钽 Niobe 希腊古典神话中的女神尼俄伯 niobium 铌 化学元素有物理性质和化学性质之别
Changes 改变David Bowie 大卫鲍伊 中英歌词: Changesi still dont know what i was waiting for 我依旧不知道我在等什么 and my time was running wild 我的时间疯狂地流逝着 a million dead-end streets 无数条没有出口的死胡
Anti-bullying advocate Lizzie Velasquez speaks on stage about her brand new documentary A Brave Heart: The Lizzie Velasquez Story at the 2015 SXSW Festival this past weekend. 上周末的2015年SXSW节上,反欺凌倡导人莉齐维拉斯克兹上台
A killer in close up 杀手在敲门 You can do a lot of damage with just seven genes 七个基因,祸害无穷 EBOLA is a simple virus, but also a subtle one. The stringy looking particles consist of a genome wrapped up in two layers of protein. T
给你每天保持微笑的十个理由 1. Smiling makes us attractive。 We are drawn to people who smile. There is an attraction factor.We want to know a smiling person and figure out what is so good. Frowns,scowls and grimaces all push people away
Recently, I celebrated another birthday. As I look back at how quickly time passes, I am amazed at how much can change in a matter of a year. I think we go through cycles of change -- when the complete unexpected throws you off your equilibrium --giv