Unit 21 Human BiologyⅠ.核心单词→识记·思考·运用一、单词拼写1.(2015·湖北,阅读 D) Without gravity to help ________(循环)air,the carbon dioxide you exhale has a tendency to form an invisible cloud around your head.2.She is continually ________(滥用)her position by getting other people to do things for her.3.The ________(根本的) cause of his success is his hard work.4.*(2014·山东,10)A company whose profits from home markets are declining may ________(寻找) opportunities abroad.5.In China we are carrying a nine-year ________(义务的) education movement.6.Lacking money,they had to ________(推迟) their plan.7.I engaged a young woman as a ________(临时的) secretary.8.They've promised a ________(详尽的)inquiry into the plane crash.9.*Their position in international trade rapidly ________(下降).10.(2014·湖北,24)The old rules have to be revised because they only applied to the ________(情况) that existed when they were made a hundred years ago.答案 1.circulate 2.abusing 3.fundamental 4.seek 5.compulsory6.postpone 7.temporary 8.thorough 9.declined 10.circumstances二、用所给词的适当形式填空1.(2013·浙江,阅读 B)And as far as your body is ________(concern),it's“use it or lose it”!2 . From now on any ________(violate) of the regulation must be cruelly punished.3 . Tomorrow is the last date for ________(submit) of entries for the competition.4.Hard work keeps away poverty.________(tolerate) keeps away violence.5.We ________(prohibition)air guns and the weapons that might wound someone.6.This is a modern,bright and well ________ hospital,and its ________ is of the first level.(equip)7.Several ________ ________ the bank of an enormous sum of money,making the largest ________ of this city in the last decade.But they were soon caugh...