According to the passage, Frederick Ⅱ carried on the experiments to ______.
A.prove that children are born with the ability to speak
B.find out what role careful nursing would play in teaching a child to speak
C.discover what language a child would speak without hearing any human Speech
D.prove that child would be damaged without learning language
第1题
His composition is better than______in the class.
A.anyone
B.anyone"s
C.anyone else
D.anyone else"s
请帮忙给出正确答案和分析,谢谢!
第2题
You will see to______the engine does not get out of order.
A.that
B.however
C.it that
D.which
请帮忙给出正确答案和分析,谢谢!
第3题
He was punished______ he should made the same mistake again.
A.unless
B.lest
C.if
D.provided
请帮忙给出正确答案和分析,谢谢!
第4题
A. Study the following picture carefully and write an essay of about 160—200 words. B. Your essay must be written clearly. C. Your essay should meet the requirements below: 1) Describe the picture, 2) deduce the purpose of the painter of the picture, and 3) suggest counter-measures.
请帮忙给出正确答案和分析,谢谢!
为了保护您的账号安全,请在“上学吧”公众号进行验证,点击“官网服务”-“账号验证”后输入验证码“”完成验证,验证成功后方可继续查看答案!