You usp about 17muscles(肌肉) to smile, but you usp 43 muscles tofrown(皱眉). ……

called imidacloprid (吡虫啉) to see how it changed bees’ tastes and behavior. The study was published... with this pesticide. They then stimulated (刺激) the bees’ antennae (触角) with sugar water to see how sweet ……

Columbia University Graduate School of Business US*3 Stanford University Graduate School of Business US... University of California at Berkeley: Haas US16 Univ. of California at Los Angeles: Anderson US*16 ……

to protect themselves from bees.   2. How can bees help plants grow?2. How can bees... every year. A. People celebrate it on May 2 every year. B. People feed bees delicious food ……

Editor’s note: World Bee Day takes place on May 20 to promote the important roles bees play... to promote the important roles bees play. They ensure food security as one of the main pollinators (授粉 ……

to tell you something about bees that might change how you feel.For one thing, bees are also very afraid..., they are a very important part of our ecosystem (生态系统). Many farmers use pesticides (农药) that kill bees ……

plants, so it is important to know how the bees move around and take the pollen between flowers...蜜蜂采蜜时为何总能找到最短路线？ 词数 437 建议阅读时间 6分钟 测试见7版Have you seen bees at work and stopped to wonder how smart ……

that bees are disappearing too? In 2016, the US Fish & Wildlife Service added seven bee species... respectively (分别地), says The Lancet, a UK magazine.Bees are one of the most important pollinators ……

affects Chinese and the US economies in all sectors and is an important issue between the two countries...人民币能买到更多的美元了，这究竟是好还是坏?词数 375 建议阅读时间 6分钟A RECENT joke on the Internet says that the US team ……

IN a pond there are flowers with bees hovering (盘旋) over them. How many flowers and bees... a flower.2. If two bees share each flower, there is one flower left out. Answer:Four bees and three ……

for bees to find food.C. How pesticides might make it hard for bees to find food.D. Why people use... a science competition. B. Holding a science competition. C. Finding the most bees.C ……

that lyrics are important."I've been a content-over-style man. I do try and put some form of meaning... that a lyric thatchimes withthe listener can have a unique impact. "It does shape how you see ……

are important in the process. Here's how it works:1.The field bees go out and collectnectar(花蜜...辛勤的小蜜蜂是这样为我们酿造甜美的蜂蜜的。BUZZ!(蜜蜂嗡嗡叫) What a busy honey bee! Honey bees do and make things ……

) too. It's called the USBcell. A US company developed it.When a USBcell is out of power, you don... how useful it will be when you travel. Is yourdigital(数码的) camera, MP3 player or game station out ……

the US bee population healthy and strong, and will show people what they can do to help bees. Even though many people may not like bees, they are an important part of how we grow food. As pollinators ……