Units 3-4 Protecting ourselves & Law and order三言两语1.No sooner had we arrived at the activity center when/than we signed up to participate in the Walking Contest.2．It is high time that both children and parents took/ should take action to make some changes.3．Everything in my childhood crowded upon my mind as if they had just happened.1.要记住还有很多不如你们幸运的人。Remember there are many people less_fortunate than yourselves.2．All of this makes_it_clear_that something must be done to stop this deadly disease.所有这一切很清楚地表明，必须采取措施防止这种致命的疾病的发生。[单词 拼写应用]核心单词1．slide n．降低，衰退；滑动 vi.& vt.降低，衰退；(使)滑行，滑动2．trap vt.使陷入困境；使陷入圈套；夹住，卡住 n．陷阱，圈套；困境3．wipe vt.抹去；擦拭4．theoretical adj.理论的；理论上存在的5．involve vt.使成为必要；牵涉；(使)参加6．download vt.下载 n．已下载的数据资料7．suspect n．嫌疑犯，可疑对象 vt.怀疑(某人有罪)；怀疑(某事属实或可能发生，尤指坏事)8．offensive adj.冒犯的，极其讨厌的；攻击性的9．request vt.& n．要求，请求10．considerate adj.体贴的，为他人着想的11．import vt.进口，输入，引进 n．进口，输入；进口产品12．jog vi.慢跑[语境运用] 用所给词的适当形式填空1．Several girls were trapped(trap) between floors because the lift broke suddenly.Luckily，they called for help and were soon rescued.2．She suspected(suspect) that one of her three daughters—then ten，eight，and six—had picked it up，but the girls said they hadn't.3．She left the light on in the bathroom at his request(request)．4．My husband who is three years senior to me，is very considerate(consider) and always places me in the first place.5．The boss kicked him out for an offensive(offend) remark，so he thought it was unfair to him.6．The country exports coal but imports(import) wheat every year，because it can't supply mu...
