将下列英语句子改为疑问句
his discovery has not yet been proved(他的发现尚未证明)
改为:what.
Do the other astronomers accept his ideas?It remains a question.
(其他天文学家接受他的想法吗?仍然是一个问题)
改为:whether.
The first appearance of life on earth is still a mystery to scientists.
(第一个出现在地球上的生命对于科学家来说仍然是个谜)
改为:How .
Why is the earth becoming warmer?It is an important topic for research.
(为什么地球会变暖?它已经成为了一个重要的问题进行研究)
改为:Wht.
pluto is not longer considered a plante in our solar system .What a surprise!
(冥王星已经不再是太阳系中的行星,这真令人惊讶!)
改为:It is a surprise.
人气:454 ℃ 时间:2019-08-31 19:16:38
解答
What he discovered has not yet been proved.Whether the other astronomers accept his ideas remains a question.How life first appeared on earth is still a mystery to scientists.Why the earth is becoming...
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