tree-凯发k8官网

12-10-17 oh god! i think i was about seven and half when my sisters and i pulled this stupid stunt（噱头，绝技） . i remember watching television with them and the show on happened to be our favorite program to watch. all of a sudden we heard my brother, chr...

12-08-07 tree cover in the nation's lower 48 states covers 659 million acres, more than one-third of the nation, according to a u.s. forest service study of national tree cover and impervious surfaces. new hampshire leads the nation in percent tree cover (89...

12-08-06 the beautiful, endemic（地方性的） and endangered cycad（苏铁属植物） , cycas micronesica was once a dominant forest tree on the island of guam, but recent plant mortality predicts extirpation（消灭，根除） from guam habitats by 2019. this dire pred...

12-07-10 an international team that includes scientists from johannes gutenberg university mainz (jgu) has published a reconstruction of the climate in northern europe over the last 2,000 years based on the information provided by tree-rings. professor dr. j...

12-07-03 through an exploration of tree rings and oxygen isotopes, researchers at the university of pittsburgh are now able to better pinpoint the history of droughts in the arid（干旱的） and semiarid areas of the american west. a paper published in the onl...

12-05-09 one day a little girl came running into her house yelling, mommy, i got five dollars! the mother was curious, so she asked her child where she got the five dollars from. the little girl replied: ''tommy down the street gave me five dollars for doing...

12-02-08 in ancient times there were no donkeys in guizhou province. somebody brought a donkey from somewhere and tied it to a tree at the foot of a mountain. a tiger saw the donkey, and thought that it must be a fearsome（可怕的） monster. it hide behind a...

12-02-07 now this wood was very fair to look at from without, and seemed full of singing birds and of sweet-scented flowers, and the star-child entered it gladly. yet did its beauty profit him little, for wherever he went harsh briars（荆棘） and thorns shot...

12-01-10 one day a bunch of naughty children wanted to make fun of him and said to him: there are birds' eggs on that tree. will you get them for us please? we can't climb up. loath to disappoint the children, he was ready to climb the tree. but knowing that...

11-12-28 the reply, coming with less than his customary delay, took his favourite form of counter-interrogation: 'with what does a plant think -- in the absence of a brain?' 'ah, plants also belong to the philosopher class! i should be pleased to know some o...