14.A 导解:if it's not too late或before it's too late表示“为时不晚”. 15.C 导解:the old/young表示某一类人,能用下文的they替代,the adults不表类别. 16.A 导解:治理污染保护环境当然是越早越好. 17.D 导解:the cause of sth.表示“某事的起因”,本句解释为什么会产生那么多污染. 18.A ...
IS ECOLOGY A BRANCH OF BIOLOGY, OR A DISTINCT, INTERDISCIPLINARY SCIENCE?GODEANU, StoicaPOPA, Laura MarianaActa Oecologica Carpatica
Ecology(生态学) is the science of how people,animals and plants live together.For example,in the city you can find birds,mice,insects and plants that all live in the same space.Many of them eat things that people don't want any more.If you go to a forest,you can see different kinds...
Presently, the genus Haslea encompasses more than 20 species, which may present significant differences in morphology, ecology or physiology. For example, Haslea wawrikae is a planktonic diatom with very long and acute apices, and Haslea gigantea a mesoplanctonic species, with a cell length up ...
完形填空 Ecology(生态学) is a science of how living creatures and plants exist together and develop on each other and on the local government. Where an environment is undisturbed the ecology of an area is 1 balance
Ecology (生态学) is the science of how living creatures and plants exist together and depend on each other and on the local environment. Where an en?vironment is undisturbed the ecology of the area is 1 in nature balance but if a creature dies out or a new species is 2 then the ...
The behavior and ecology of Rhinopithecus is only just becoming known (Kirkpatrick and Grueter, 2010). These monkeys live in a wide range of habitats, from the tropical forests of Vietnam to temperate conifer forests in the mountains of southern China, including some remarkably harsh environments....
Ecology is the science of how people, animals eaten by fish, which are eaten by bears and people.and plants live together. For example, in the city c)Afric a is losing its elephants. People build you can find birds, rats, insects (虫) and plants farms where the elephants live, so th...
Like other outsiders, I was continually impressed by their superior understanding of the riverine ecology we shared. Yet numberless people struggle with tasks that require precise discrimination between quantities. Perhaps this should be unsurprising. After all, without counting, how can someone tell ...
This genomic information provides important insights into the physiology, ecology, reproduction and evolution of red algae. In 1997 the first EST from Gracilaria gracilis was generated, which corresponded to a carbohydrate metabolism-related gene [30]. The construction of cDNA libraries from various ...