九年级新目标РUnit 6?When was it invented?РSection AРWhich do you think is the most important ?invention in the world?РWhat other can you think of?РTV? telephome? radio??computer? caculator? car?РDo you know what are they?РcomputerРradioРtelevisionРcalculatorРtelephoneРcarР1a. GroupworkРLook at the things below. In what orders do you think they were invented? Number them [1-5]Р5Р2Р4Р1Р3
全文预览
