1Unit 4 Do it yourselfPeriod 5 Task spelling 5.paint; painting6错误地,不对; 错误的,不对的7封面;盖子,罩; 覆盖 8.完成短语互译1keep it secret 2.go wrong 3.决定做某事4cut out句型在线1is coming; decided to make; by myself2keep it secret 3.to finish4went wrong【课堂互动探究】词汇点睛1 可数; 动词(1)The cover of (2)is covered with2 及物; 宾语; complete; completely(1)complete (2)completely3 不可数; 动词; painter; paintingpainter painted; painting句型透视61 形容词; 阻止某人做某事; 使某人一直做某事keep it secret2 连系; 形容词B 考查动词短语辨析。take down意为“取下,拿下,拆散,拆卸” ;go wrong意为“出故障” ;put in意为“安装 ”;throw away意为“扔掉,丢弃” 。句意为“汤姆的电脑经常_当他做重要事情的时候” 。故答案为 B。