Read the passage and fill in the blanks with proper words.Trees are useful to humans in t___71___ important ways: they give us useful things like wood, they give us cool places in hot weather, and they help to
However, these old trees are not immune (不受影响的) to the stress brought about by aging. Because there are too few ancient trees studying them is difficult. Finding a tree dying from the influences of aging is even more difficult. Besides old age, trees are much more likely to die fro...
Are trees or humans more important?Considers the intense humans vs. environment controversy caused by the Pacific yew tree and the cancer-fighting taxol chemical found in its bark. How taxol works; Doctors see it as critical...
We all know wildfires have been getting worse in the drought-stricken western U.S., but experts say the growing risk on the east coast is concerning.
We found that the parent trees would favour thoseseedlingsthat were of their ownkinversus the strangers. David Edmonds That’s extraordinary – and when you say they favour their own family members, you mean they’ll send more nutrients to the...
This does not only mean that humans 4 (have) fewer trees in the future. The results are even more serious: For where there are trees, their roots(根) prevent the rain from washing away the soil (土壤), but there are no trees, the rain 5 (fall) on hard ground and flows away, cau...
·We are polluting the water and the air, and this ___ trees. 相关知识点: 试题来源: 解析 cutting down harms 根据相似题信息,这里表达的是 “砍伐森林”,“砍伐” 常见的表达是 “cut down”,句子时态是现在进行时,be 动词 are 后接动词的现在分词形式,所以填 cutting down。 前文提到污染水和空气...
Sign up for CNN’s Wonder Theory science newsletter.Explore the universe with news on fascinating discoveries, scientific advancements and more. CNN— Humans aren’t the only ones capable of performing amputations to save lives. Florida carpenter ants have been observed biting off the injured limbs...
People are not(4)___ to cut down trees or drop litter in a public place. Otherwise they will be punished or (5)___ by the police. There are alsc laws to limit air and water (6)___ .Meanwhile people there are starting to use new types of from the sun wind and water. They ...
This does not only mean that humans ___ (have) fewer trees in the future. The results are even more serious: For where there are trees, their roots (根) prevent the rain from washing away the soil (土壤), but there are no trees, the rain ___ (fall) on hard ground and flows ...