No matter where you are, humans are constantly measuring and checking time. Some of us are good at it-planning and doing things ahead of time, _56_ others are always trying to beat the clock and do things at the eleventh hour.Tardiness (迟到) can be serious. If you _ 57__(be) ...
根据文章第一段第三、四句话"The bold, tiny and gray-and-brown birds are found on every continent" "The house sparrows have adapted to living alongside humans"可推知家雀的适应能力很强。故答案选D。 (2) 推理判断题。根据文章第一段第四句话"but this friendly behavior to humans is extraordinary"...
Bugs aren’t just occasional nuisances, they’re crucial to the environment. Now populations of species worldwide are falling at alarming rates.
Humans are nearly hairless , too.Instead of fur . we wear coats when were cold and shorts when we're hot . We heat our homes during winter and cool them during summer . Like these other mammals , we've adapted to live without( much ) hair ...
[00:48.16]The early humans went on to settle all of Asia and Europe [00:52.04]starting about 45,000 years ago. [00:56.32]The scientists based their findings on genomic data [01:00.08]taken from ancient DNA and from the ge...
三、信息还原Red forests are smart, just like humans. 1. Especially(尤其) in the south, where there are many typhoons(风), they guard the local villages and protect the villagers during the typhoon seasons every year.2.That's because their bark is rich in tannic acid(单宁酸).If the cover...
根据“This type of DNA is only passed down from mother to child.”可知他们研究这种基因是因为这种基因只会从母亲传给孩子,更容易发现人类的祖先的源头。故选C。【3】细节理解题。根据“saying that studies like hers are no longer important or necessary.”可知他认为海耶斯的研究是没有必要的。故选D。
(2001). The evolution of modern humans: Where are we now? General Anthropology 7 (2): 1-5.Stringer, C. 2001. The evolution of Modern Humans: Where Are We Now? General Anthropology, 7(2):1-5.Stringer CB (2001b) The evolution of modern humans: where are we now? Gen Anthropol ...
It is widely acknowledged that protecting the environment has become a prevailing trend, but the reality is far from satisfaction. Meanwhile, with the development of economy, people are beginning to attach great importance to their health. Nowada...
The name “Nemo” is Latin ( 拉丁语 ) for “no one”. It is the furthest place from land. The closest humans to Point Nemo are often astronauts in space. The water has poor nutrients (营养物). Scientists think ther...