Why can't we live on Mars?A It's too hot.B It's too cold.C It's too dry. 相关知识点: 试题来源: 解析 B 火星的环境极端,不适合人类居住。虽然火星很干燥,但最主要的问题是温度太低,人类无法生存。因此,答案是 B。反馈 收藏
A. that 在宾语从句中无实际意义,在这里如果用 that,句子表达的是科学家不确定人们能在火星上生存这个事实,这与原句语义不符。B. why 表示 “为什么”,如果选 B,句子就变成了科学家不确定人们为什么能在火星上生存,而原句是不确定是否能生存,所以 B 选项错误。C. if 有 “是否” 的意思,放在句子中,表达...
要点提示: 1.WhywillpeopleliveonMars? 2.Howwillpeoplegoout? 3.Whatwilltheyeat?要求:(1)70词左右.(2)语句通顺,语法正确. 董春丽回答: WhatwillourlifebelikeonMarsinthefuture?Withtherapiddevelopmentofhi-tech,theMarswillchangealotinmanywaysinthefuture.We'llcompletelyliveinthecyberspace.First,wefindtheM......
4.Smoking is bad for our (健康), so we must give it up. 5.Don’ t play a t on them! It’s not polite. 6.Amy is carrying some ___ (shop) bags. 7.He goes swimming ___ (two)a week in summer. 8.He often___ (dress) up on Halloween. 9.She doesn’t want (help) you...
这种变化是until引导时间状语从caused by human activity and is having a terrible effect on the biosphere. Until we由人类活动引起的,而且对生物圈产生了严重的影响。在我们are finally able to live on another planet, we need to take much最终能够生活在另一个星球上之前,我们需要更好地保护好better care...
2. Tom wants to know___ he can join our school's Space Club.A. ifB. whenC. whereD. that 相关知识点: 试题来源: 解析 1. C 2. A 这两道题都考查宾语从句的引导词。 第一题中,科学家们不确定的是人们是否能够在火星上生活,因此需要用引导词“if”引导宾语从句,表示不确定的条件。 第二...
"Is this plane going to Oakland? ”he asked the flight attendant. "No, "she said. "We're going to Auckland-Auckland, New Zealand. ” Because so many English words sound similar, misunderstandings among English-speaking people are not uncommon. Most misunderstandings are much less serious. ...
not just in China. When the world was becoming richer, the traditional roles of men and women changed a lot. Now we no longer live in old times when men had to defend their families from man﹣eating tigers. And women are no longer financially(经济地)dependent on men because they have ...
6.We should keep writing diaries about our ___ (day)life. 7.He plans to go abroad for ___ ( far )study after he finishes his college . 8.The boy is too young to look after ___ ( he). 9.We should try to learn English