On buses or trolley buses: Grasp the handles to avoid being injured; lower the center of gravity; hide near the seats; get off after the earthquake passed. Section3: Words and expressions
I. Words for reading
1. imagine vt. form a picture of in the mind；think of (sth.) as probable：想象；认为（某事）可能发生或存在。宾语为名词、代词、动名词、从句。宾语从句为否定意义时，要用否定转移，与think, believe, suppose, expect用法相同，成为I/ We don’t imagine…,意为“我（们）认为……不……如：We can imagine her sadness.我们可以想象她的悲伤。I didn’t imagine (my) becoming a teacher in my childhood.在童年时代，我并未想象能成为一名教师。Can you imagine how much I was surprised to hear the news?你能想象我听见这个消息有多惊讶吗？I don’t imagine so. = I imagine not.我认为不是这样。
cf. imagine, guess, suppose
imagine意为“想象，幻想”，指在脑海中形成一个清晰明确的印象，或认为某事物可能发生或存在;
g uess： form an opinion, give an answer, make a statement, based on supposition,
not on careful thought, calculation, or definite knowledge: “猜测，臆测”，指未知道前的猜测;
suppose: let it be though that; take it as a fact that:认定，假定； guess; think: “想象，推测”，意指“假定或假设中的情形”。
2. c f. shake, tremble
shake: move, be moved, quickly or violently up and down, forwards and backwards: 最普通用词，可指人或物“摇动，发抖”。指人时常用于感情激动、寒冷、惧怕引起的身体颤动。在表示“因……而颤抖”时，多用with。在表示“使受震撼，使（信念等）动摇”，常用于be shaken by/with/at中。
tremble: shake involuntarily ( with fear, anger, cold, physical weakness, etc.) 颤栗,震颤,发抖(因恐惧,愤怒,寒冷,体弱等)，常常与shake相互替换，但指握手，摇头或捧腹大笑时用shake, tremble只用作不及物动词。如：The poor boy was shaking with cold.这个孩子正冻的发抖。They were badly shaken by the news.他们对这个消息大为震惊。The host shook hands with all the guests.主人跟所有的客人握手。Her voice was