2013 届高三广东北师大版英语一轮复习学案:M5 unit 14 Careers(2)8. grasp vt. & n. 抓住;理解 On the verge of falling, he immediately grasped a rope. 在快要跌倒的时候,他立刻抓住了一根绳子。 grasp sb.’ s hand / sb. by the hand 抓住某人的手 It’s a concept we find difficult to grasp. 这是我们觉得难以理解的一个概念。She has a good grasp of what she has learned.她对她所学过的知识掌握得很牢固。Take a firm grasp of the handle and pull.抓紧把手然后拉。你必须抓住这个黄金机会。 ____________________________________你理解文章的大意吗? ____________________________________ ____________________________________You must grasp the golden opportunity.Did you grasp the main idea of the passage?9. commit vt. 承诺,受誓言的约束;犯(罪、错等) commit a crime / mistake 犯罪/犯错 commit suicide 自杀 She would not commit herself in any way. 她不愿作出任何承诺。committed adj. 承担义务的;忠于既定立场的be committed to=be devoted to 献身于,奉献于He remained committed to his youthful ideal.他坚持不懈地追求自己年轻时的理想。commitment n. 承诺;奉献10. existence n. 存在,生存1 (sth.) come into existence 出现,产生 bring sth. into existence 使产生 be in existence 存在的,现存的 This is the most magnificent bridge in existence. 这是现有的最雄伟的桥。exist vi. 存在,生存We can not exist without air.没有空气,我们就不能生存。Such a problem does not exist.这样的问题根本不存在。existing adj. 存在的11. hesitate v. 犹豫,迟疑;后接不定式、介词或从句。He hesitated whether he should make a last attempt to save the man.他犹豫着不知该不该再最后努力一次来救这个人。hesitatingly adv. 踌躇地,吞吞吐吐地hesitation n. 犹豫,踌躇without hesitation 毫不犹豫地I have no hesitation in saying… 我毫不犹豫地说……1. 我在完全了解事实真相后,才打消顾虑,支持他的立场。I ________________ taking his side until I knew the whole story.2. 如果有问...