百度试题 结果1 题目In the past twenty years, due to climate change,environmental stress ___(create).相关知识点: 试题来源: 解析 has been created 反馈 收藏
Over the past 25 years, the average weight of the female bearshas dropped 68 kg. This loss affects their ability to reproduce, andalready the number of Births has dropped by 15 percent. Unless thebears can learn to survive these climate changes, these giants of theice may one day ...
Climate change over the past two million years human beings to adapt to the changing environment. A. was forcing B. has forced C. is forcing D. would force
Thecoloroftheoceanhaschangedgreatlyoverthelast20yearsandhuman-causedclimatechangeisprobablyresponsible,accordingtoanewstudy.Morethan56%oftheworld'soceanshavechangedcolor,andthiscannotbeexplainedbynaturalchanges,saidateamofresearchers.Tropical(热带的)oceansclosetotheequatorespeciallyhavebecomegreenerinthepasttwodecades,re...
百度试题 结果1 题目Over the past few years, the climate here has changed g. 相关知识点: 试题来源: 解析 1. gradually/radually 略 反馈 收藏
A. become B. became C. have become D. will become 相关知识点: 试题来源: 解析 C。in the past few years 表示从过去到现在的一段时间,要用现在完成时,have become 符合。A 是一般现在时;B 是一般过去时;D 是一般将来时,都不符合这个时间段。反馈 收藏 ...
Impacts of Climate Warming on Heating Climatic Conditions and Energy Requirements over China in the Past 20 Years过去20年气候变暖对我国冬季采暖气候条件与能源需求的影响气候变暖集中采暖区过渡采暖区采暖期长度采暖强度供热节能率20世纪80年代中期以来,我国气候变暖,尤其是90年代中期以来的显著变暖,对我国冬季采暖...
根据第一段“The planet’s climate has been changing over thousands of years. The average global temperature today is about 15℃. Scientists are worried that the planet is warming faster than ever before. The 20 warmest years on record have been in the past 22 years, according to the World...
Shifts in the flowering phenology of the northern Great Plains: Patterns over 100 years Climate change is associated with phenological shifts in an increasing number of organisms worldwide. However, accurate estimates of these shifts are depen... KL Dunnell,SE Travers - 《American Journal of Botany...
Recent reconstructions of Northern Hemisphere temperatures and climate forcing over the past 1000 years allow the warming of the 20th century to be placed within a historical context and various mechanisms of climate change to be tested. Comparisons of observations with simulations...