thememoriesfaded,Istaredatmyinstrument.Withouthesitating,Ipickeditup,rosined(用松香擦)the bow,andbegantoplay.Peacefilledmyheart. Myviolinhasbeenbymysidefor12years.When Ifeelhappy,anenergetictunemakesitevenbetter; whenI?m deepinsorrow,apeacefultunewashesit away;when I?m walking on air,feeling espec...
In a single generation, new species can be artificially created and destroyed, while natural evolution could take thousands of years to do the same but only haphazardly (偶然地). Scientists are even able to replace flawed (有缺陷的) or damaged genes with different genes in an attempt to cure...
Scientists have found the fossil of the heaviest known penguin on Earth. They believe this penguin weighed more than 150 kilograms. This is about three times heavier than the emperor penguin (帝企鹅), the largest of all living penguin species. This giant probably lived between 55 and 60 millio...
a cereal grass( Hordeum vulgare and related species)with dense,bearded spikes of flowers,each made up of three single-seeded spikelets大麦 sidle v. move sideways.esp.in a shy or stealthy manner(羞怯或偷偷地)侧身行走 shuffle n. a slow drag...
–Before you throw something away,stop and thinkabout what else it could be used for! For example, rather than using disposablepaper towelsto clean up in the kitchen, why not turn old clothes or bedsheets intocloths? Then, you can use them over and over again!
The organic litter of another tree species might add less acid but more of something else. 另一种树产生的有机废物可能不会给土壤增加这么多酸性,但会增加别的东西。 A lot of different types of trees in an area might mean more pedodiversity. 若在某个区域有很多种不同的树,很有可能意味着这儿的...
By around 1900, the population of 60 million buffalo had been decimated, reduced to around 300 animals. The species was perilously close to extinction. 到1900年左右,野牛数量已从6000万头锐减至300头左右。这个物种濒临灭绝的危险。 Count me among the grateful for the efforts of conservationists, who...
Bees and ants have a system of reproduction whichleaves colony members so closely related that they act almost as a single super-organism And among any sexuallyreproducing species parental care helps individuals pass on their genes.But kin selection canmot explain why humans are so nice to ...
Now, according to fire ecology studies, it’s possible for people to see forest fires as natural8. Hundreds of species of plants and animals live together in forests. 2023/03/18|157次组卷|2卷引用:2023年上海市嘉定区中考一模英语试题