【单选题】Questions 20-22 will be based on the passages you have just heard
A.
make people come up with rough numbers and estimates
B.
make people use less energy and generate fewer gases
C.
help scientists figure out what the future will bring
D.
encourage companies to emit more carbon dioxide
【单选题】Questions 20-22 will be based on the passages you have just heard
A.
it costs no more than the normal construction
B.
it does a poor job of facing extreme weather
C.
it holds up much better to extreme weather
D.
it impacts weather changes and the economy
【判断题】( )怀牛膝与川牛膝来源于同科同属不同种植物。
【单选题】人类最终与动物划清界限的重要标志是告别了茹毛饮血的饮食生活而( )
【单选题】—Every now and then I get hungry for Chinese food. Let’s dine out tonight. —Forget it. My money_______.
【多选题】关于身体活动影响能量消耗的叙述正确的包括
【单选题】The coming of the railways in the 1830s _____ our society and econo
【简答题】外部性的产生是因为个人没有意识到其行动的结果。你是否同意这种观点?请解释。