When did Bob start his new job A.In September.B.In August.C.In July. 免费查看参考答案及解析 题目: Mike heard a loud noise when he ___ yesterday.A.cookedB.was cookingC.had cooked 免费查看参考答案及解析 题目: 听下面一段材料,回答下面小题。【1】When does Alex visit his parentsA....
How did humans get sodium before salt? What's more, until humans began farming, we had no need to add salt to our diets—even today, Masai hunter-gatherers can get enough salt simply bydrinking the blood oftheir livestock. But, however our need for salt was discovered, extracting it and...
andreducingelectricityusagearesomegreatwaystostart.Reduce,ReuseandRecyclewillhelp conservenaturalresourcesandenergy.Itwillalsosaveyouandyourcommunity.Besuretostart doingyourparttosaveourbeautifulhometoday! ( )1.WhydidIPCCreleaseitsfirstassessmentofclimatescience? A.Toappealtopeopletoreducecarbonlevels. B.Tostate...
Therefore,comparisonsbetweenhumansand automatedvehicleshavetobeperformedcarefully.Tofairlyevaluatedriverlesscarsonhow well theyfulfilltheirpromiseofimprovedsafety,it?s importanttoensurethedatabeingpresentedactuallyprovideatruecomparison.Afterall,choosingtoreplacehumanswithautomationhasmore effectsthansimplyaone-for-oneexchang...
在人类历史上,大规模人群感染病毒的情况并不罕见。 In human history, the spread of infectious diseases to mass numbers of people is not uncommon. 历史学家指出,从人类开始农耕﹑形成集中居住社区开始,流行性疾病就随之而来了。 Pandemics, historians say, started when we humans began farming land and livi...
Night milk quickened the start of sleep and caused the mice to sleep longer. While the effect of cows milk harvested at different time has not been tested on humans up to now, taking melatonin drugs has been suggested to those who are struggling to fall asleep at night. Previous studies ha...
When did the agriculture age begin? Taking rootaround 12,000 years ago, agriculture triggered such a change in society and the way in which people lived that its development has been dubbed the "Neolithic Revolution." Traditional hunter-gatherer lifestyles, followed by humans since their evolution...
There are a lot of famous women of(achieve) in the world. They all do(good) in their work, such as Lin Qiaozhi, Jane Goodall and Song Qingling. There is no doubt that they are real heroines and worth(praise). But in my opinion, all healthy humans have the ability to do that. It...
1.Why did Mark touch the computer against his father’s warning? A. He wanted to take a voyage. B. He wanted to practice his skills. C. He was so much attracted by it. D. He was eager to do an experiment. 2.Where did the boy’s father most likely work?
A.start at once B.put off his homework C.work hard on schoolwork D.carry in wood for the stove4. Which of the following changes did NOT happen to John after he wore the coat? A.He was willing to follow suggestions. B.He often helped to do some housework. C.He always complained ...