as可放在主句后，主句前或主句中间：which只能放在主句后。b、as起连接作用，表达说话人的观点、看法，并指出主句内容的根据或出处，意为“正如，正像”。Which相当于并列句，可以用andthis来代...

play an important/vital/essential role (in sth)be of vital importance to sb/sth be of great value/benefit to sb/sth双重否定表强调：Nothing is of more importance than sth5.某人重视...

人称代词，物主代词，反身代词，指示代词，不定代词(1)人称代词第一人称单数I me my mine myself复数we us our ours ourselves第二人称单数youyou your yours yourself:复数you you your yours ...

军旗旁那位有男子气概的古罗马女经理具有男子风度。23.In the lane the planer saw a planet airplane under the crane.在巷道里，刨工看见了起重机下的行星飞机。24.The wet pet in the net ha...

She turned to address the man on her left.她转身过去，向她左边的那人讲话。He is going to address the meeting in a minute..他一会儿就要在大会上讲话了。It is said that our headmaster...

C.Before you begin your trainingE.If they still feel good,you can begin running in them解析：从句式结构上看，逗号后是祈使句，没有连词，正确答案要么是带有连词的从句，要么是一个短语...

获取更多学习资料请关注微信公众号：高中学长加油站第五节(120)第六节…(128)第七节(136)第八节…(144)第四章.日记…(152)第一节…(152)第二节…(159)第三节…(163)第五章书信…(170)第一节…(1...

appreciate5vt.欣赏：感激：领会：鉴别vi.增值：涨价vt.说：谈话：讨论vi.谈话：说闲话n.谈话：演讲：talk5空谈understand5vt.理解：懂；获悉：推断：省略vi.理解；懂得；熟悉admit5vt.承认：准...

17.in silence在沉默中18.burst into laughter突然笑出声来19.concentrate on..全神贯注于.20.be replaced by被.所取代21.for the purpose of..为了22.distinguish..from.区分.与23.communicate...

second/secondly第二next其次；然后and then于是；然后meanwhile/at the same time同时finally/eventual ly/at last/in the end最终类别3：表“并列补充”also/too/as wel l也；同样；而且both....