- 重点词汇
- 相关例句
Sum up the new vocabulary in this Unit, and Present Perfect Tense.
明确本单元所学的词汇和语法,增强他们正确操作的能力.
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Explaining some topic already obtained uses present perfect tense.
说明某个课题现在已经取得的成果,适宜采用现在完成时.
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The present perfect tense emphasizes the effect of the past action on the present.
现在完成式强调过去所发生的事情对现在的影响.
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Create other conversations for the people in the picture. Present to the class.
为图片里的人们写一些新的谈话内容. 在课堂上表演.
超越目标英语 第2册
Up to the present day no bond exists between the earth and her satellite.
直到现在为止,地球和它的卫星之间还没有建立任何直接联系.
词典精选例句
All optical network is the tiptop form of optical fiber communication at the present day.
全光网络是当今光通信的最高形式,它的普及关键在器件.
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