仁爱科普版初中英语九年级上Unit 4 Topic 1 课文原文-标注重点短语和翻译

这是一份仁爱科普版初中英语九年级上Unit 4 Topic 1 课文原文-标注重点短语和翻译，共1页。
3. D yu think yu can be an inventr? Why?
An inventin may be a new prduct(产品) r a new way f ding things. Inventins cme abut(发生) in many ways. Mst(大多数) f the time, inventins happen because smene wrks t slve a prblem. Smetimes inventins are the result f accidents. Lk at yur schlbags. Yu have pencils, pens, crayns(彩色笔), rulers and sme bks. Nne f (没有一个)these things was planted in fields(田野). They were made in factries and invented by smene. Inventing is interesting and exciting and everyne can be an inventr. D yu want t be an inventr? There are a few simple(简单的) steps(步骤) t fllw(遵循) in the inventin prcess(过程).
◆______ Yu can have wild(狂野的) and crazy(疯狂的) thughts(想法，看法). Remember that n idea is t silly(愚蠢的，傻的). Many peple laughted at(取笑，嘲笑) the Wright brthers(莱特兄弟—飞机发明者) and said they wuld never fly. But they weren’t discuraged(阻止) by what peple said. That’s why nw we have planes.
◆______ Careful planning is imprtant in the inventin prcess. This is the time t brainstrm(动脑筋) fr ideas and t evaluate(评估) them.
◆______ Make a detailed(详细的) drawing f yur inventin s thers will understand hw yur inventin wrks.
◆Make a mdel f yur inventin.
◆______ See if yur inventin wrks as(与…一样) it is planned. If nt, d mre research(研究), redesign(重新设计) it, and test it again.
◆______ Every inventin needs a name.
◆Share yur inventins with thers.
Where Are We?
Where are we? That was a big questin when we first explred(探索) ur wrld lng ag. The early explrers(探险者) fund that the stars in the sky(在空中) were gd guiding(指引的) marks(标记). Using the stars, they culd find ut where they were and in which directin they were ging. This methd wrked well at night as lng as(只要) the weather was gd and the stars culd be seen. But it didn’t wrk s well during the rest(剩余的) f the time. That was a prblem.
Tday, the prblem has been slved by the Glbal Psitining System(GPS). It is like a man-made(人造的) star. We can use it at any time, in any place and in any weather t find ut ur psitin(位置). It can als be used t study the shape(形状，形态) f the earth. The GPS is a great inventin that helps us explre ur planet and discver where we are.