6.experiment 7.operate 8_communication II 1.energy 2.whole 3.dug 4.physics 5.X-ray
III 1.When 2.what to see 3.can't, anything 4.as well 5.If you
IV 1.Flying kites is popular among people of all ages. 2.I want to fill the box with books. 3.They compared the first map with the second one carefully. 4.Could you find out when the meeting will begin? 5.She can sing as well as dance.
打扫;弄干净;干净的 clean 行走;步行 walk 散步;走一走 take a walk 很快地 quickly 或者;也(用在否定词组后) either 要么……要么…… 或者……或者…… either…or… 大量;许多 lot 大量;许多(短语) lots of 有时 sometimes 有……的味道;品尝。