烟花苷

Over 2 years of study, Randolf has shown that these doses neonicotinoids do affect bees' higher cognitive processes, especially their memory of the landscape around them.-We tested about 200 bees, both controlled bees and pestcide-treated bees, and w

发表于:2018-12-03 / 阅读(82) / 评论(0) 分类 探索与发现2013年

-There are at least pieces of evidence which show really serious impacts from levels of neonicotinoids that bees, wild bees could be exposed to in wild environment.And the arguement against the ban was laid out by one of the pesticide manufacturers.

发表于:2018-12-03 / 阅读(100) / 评论(0) 分类 探索与发现2013年

Agriculture Report - New Findings About Loss of Bees This is the VOA Special English Agriculture Report. Bees add an estimated eighteen billion dollars a year to the value of American crops. They pollinate flowers that become fruits, nuts and vegetab

发表于:2018-12-16 / 阅读(129) / 评论(0) 分类 2012年VOA慢速英语(四)月

Study: Insecticide Is Killing Wild Bees 研究发现杀虫剂杀死野生蜜蜂 A new study says a widely-used insecticide is damaging wild bee populations. Wild bees are important, because they pollinate crops and wild plants. Environmentalists in t

发表于:2018-12-16 / 阅读(57) / 评论(0) 分类 2015年VOA慢速英语(五)月

Studies Link Bee Decline to Insecticide Billion-dollar bees Bees pollinate the flowers that become fruits, nuts and vegetables. The work these insects do is worth about $18 billion a year to U.S. farmers. But honeybee colonies in the United States ha

发表于:2018-12-16 / 阅读(61) / 评论(0) 分类 VOA标准英语2012年(三月)

Lin has recently become R* spokesperson in the neonicotinoid debate.-The big advantage of neonicotinoids is that you can plant the seed already treated. It means the farmer doesn't have to spray. If you've got to spray, it's very expensive. It's got

发表于:2018-12-27 / 阅读(56) / 评论(0) 分类 探索与发现2014年

Todd: OK, Jessica, we are going to talk about cooking. Jessica: OK. Todd: Now, you like to cook! Jessica: Yes. Todd: OK. What can you cook? Jessica: I can cook Manicotti, Tacos, lots of food. Todd: OK. So what is Manicotti? Jessica: Manicotti is...it

发表于:2019-01-02 / 阅读(69) / 评论(0) 分类 英语访谈对话

EU Hopes Pesticide Ban Will Halt Bee Decline The targeted farm chemicals, which will be banned for two years starting this December 1, belong to a class of insecticides called neonicotinoids. They are a type of insect nerve agent that has been widely

发表于:2019-01-14 / 阅读(110) / 评论(0) 分类 VOA标准英语2013年(五月)

Todd: OK, Jessica, we are going to talk about cooking. 杰西卡,我们来谈一谈做饭。 Jessica: OK. 好的。 Todd: Now, you like to cook! 你喜欢做饭! Jessica: Yes. 是的。 Todd: OK. What can you cook? 你会做什么? Jessica: I c

发表于:2019-01-15 / 阅读(66) / 评论(0) 分类 实战口语情景对话

Over the last year, beekeepers in the U.S. lost nearly half their honeybee hives. And there are a lot of suspected culprits for this so-called beepocalypsefrom parasitic mites, to viruses, to simple land use changes. But a study out earlier this year

发表于:2019-01-20 / 阅读(83) / 评论(0) 分类 2016年Scientific American(八)月

Todd: OK, Jessica, we are going to talk about cooking. Jessica: OK. Todd: Now, you like to cook! Jessica: Yes. Todd: OK. What can you cook? Jessica: I can cook manicotti, tacos, lots of food. Todd: OK. So what is manicotti? Jessica: Manicotti is...it

发表于:2019-01-20 / 阅读(81) / 评论(0) 分类 原版英语对话1000个

Todd: OK, Jessica, we are going to talk about cooking. Jessica: OK. Todd: Now, you like to cook! Jessica: Yes. Todd: OK. What can you cook? Jessica: I can cook Manicotti, Tacos, lots of food. Todd: OK. So what is Manicotti? Jessica: Manicotti is...it

发表于:2019-01-25 / 阅读(65) / 评论(0) 分类 英语趣味课堂

Tender Is the Night - Book Two by F. Scott Fitzgerald Chapter 21 Rosemary had another dinner date, a birthday party for a member of the company. Dick ran into Collis Clay in the lobby, but he wanted to dine alone, and pretended an engagement at the E

发表于:2019-01-26 / 阅读(79) / 评论(0) 分类 有声英语文学名著

Grammar Girl here. Today's topic is misplaced modifiers. Of all the writing errors you can make, misplaced modifiers are among the most likely to confuse your readers, but they're also kind of fun because misplaced modifiers can give your sentences s

发表于:2019-01-30 / 阅读(166) / 评论(0) 分类 英语语法 Grammar Girl

MILAN, Dec. 18 (Xinhua) -- World champions Corinthians could sign Milan and Brazil striker Alexandre Pato, according to Brazilian sports daily Lance. The 23-year-old has fallen down the pecking order at the Italian club after a recurring knee problem

发表于:2019-02-07 / 阅读(106) / 评论(0) 分类 英语新闻

RIO DE JANEIRO, March 5 (Xinhua) -- The Corinthians coaching staff dedicded to bar striker Adriano from the team's upcoming Libertadores Cup match on Monday. The decision comes one day after the player's lackluster performance in the 1-0 loss to Sant

发表于:2019-02-07 / 阅读(157) / 评论(0) 分类 英语新闻

Researchers have developed a method to activate electronic implants in the body and eliminate bacterial infections using a wireless signal。 研究者已经开发了一种运用无线信号激活人体中电子植入物来消除细菌感染的方法。

发表于:2019-02-08 / 阅读(65) / 评论(0) 分类 英语新闻

Deciding where to place a Wi-Fi router at home to minimise signal blackspots is a fine art. But a physicist has attempted to tackle the problem by mathematically working out the optimum position for a router. He studied how walls and reflections affe

发表于:2019-02-08 / 阅读(104) / 评论(0) 分类 英语新闻

U.S. military officials say they have identified the four Marines seen on video urinating on the bodies of dead Afghan Taliban fighters. The Naval Criminal Investigative Service, heading the main inquiry into the video, has also reportedly questioned

发表于:2019-02-08 / 阅读(136) / 评论(0) 分类 英语新闻

Todd: OK, Jessica, we are going to talk about cooking. Jessica: OK. Todd: Now, you like to cook! Jessica: Yes. Todd: OK. What can you cook? Jessica: I can cook Manicotti, Tacos, lots of food. Todd: OK. So what is Manicotti? Jessica: Manicotti is...it

发表于:2019-02-27 / 阅读(123) / 评论(0) 分类 英语口语练习册
学英语单词
acted
actual activity
aerial work platforms
all the mode
alutiiq
aneroid manometer
anomocytic type of stoma
antocow
arctictis bintourongs
attenuation limited operation
back focal distance
balmifying
bildungsroman
Birzebbuga
broad equatorial band
Brânceni
cacoepies
cane wax
cenolate
center of a Lie algebra
Chlororphyll
close tolerances
combined estimation
cost variance-direct materials account
counterfeit trade-marks
dam moraine
daulocoris feanus
dejure population
disbarked
effect of crowding
egg whisking machine
eupithecia yoshimotoi
fairfoot
fixed - bed reactor
fixed equipment
flyingly
forati
franisse
fused silica filament
graduated rate schedule
green hata
greenbriar
hard wart
have an idea
Hemicycadales
historical grammar
hold in esteem
hollick
huizer
hypersplit
ice-rinks
iriscopes
jhvhs
lag of time
leucodon sphaerocarpus
levelling charges
limited number
look for all the world like
look-alikes
magic spells
margin of drill
Moltke
opticoarachnoiditis
ortonville
pain-worthy
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pc-compatible
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permissible dust emission
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positive method
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reflectron
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satellite TV
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service order table
speak on behalf of...
spun in metal
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tarrytowns
technician as assistant professor
thermal x-rays
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value-components
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zdenko