textiles(纺织品)in Thailand and discovered a table cover with the fringe made metallic-looking green beetle wings.She said she had never seen beautiful insects--perhaps because she grew up in Canada.All the insects were brown or black.She realized she could take insect and turn them into ...
根据最后一段中的Boeve said he hoped the process would give other zoologists a new way to compare sawflies' chemical defenses with those from other insects.It may also offer researchers clues about which molecules fight off enemies most?"( Boeve说,他希望这一过程能给 其他动物学家提供-种新的...
At a time when natural history was a valuable tool for discovery, Merian discovered facts about plants and Insects that were not previously known. 2018年12月六级真题(第二套)阅读 Section B Because when the dust settles, people are going robe pretty much what they are. 2015年12月六级真题(第...
At a time when natural history was a valuable tool for discovery, Merian discovered facts about plants and Insects that were not previously known.2018年12月六级真题(第二套)阅读 Section B Because when the dust settles, people are going robe pretty much what they are.2015年12月六级真题(第二套...
Some insects even sleep under the leaf that will be their next meal. A bee may climb down into a flower to rest. When it climbs out the next morning, it is rested and ready for work. 根据材料内容选择最佳答案。 11. What animals blo...
结合语境 “The results were much more severe than we thought” 以及后文提到受污染区域昆虫进入数量减少、访花次数大幅下降等情况,可知 “severe” 意思是 “严重的”。文章围绕 James Ryalls 团队研究空气污染对传粉者的影响展开,实验目的是弄清楚空气污染如何影响传粉者,答案为 To find out how air pollution...
答案是 D。文中 “In such conditions, 70 percent fewer insects entered the area. Once they were there, they didn't hang around. Visits to flowers decreased by up to 90 percent.”(在这种情况下,进入该区域的昆虫减少了 70%。一旦进入,它们也不停留。对花朵的访问减少了 90%。)表明在空气污染...
With the world’s swallowtail population falling, Bert wanted people to realize that if insects like swallowtails disappeared, so would all the others above them on the food chain. To make the fact clear and easy to understand ...
many times and created a tool called Soapen. It turned hand washing 60 a fun activity. As the name suggests,Soapen is a pen 61 is made out of soap. The children draw on hands with the Soapen and then wash the drawing off. The colors will remain on the children?s hands 62 they ...
Without the insects, farms cannot make food, and we all need the insects. “The results were much more serious than we thought,” said Ryalls, after doing their study. The levels of pollution in their tests were similar to “normal road traffic”. In such conditions, bees and butterflies ...