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中学英语基本词汇语法解析centre和century和certain等 celebrate ['selɪbreɪt] v. 庆祝，举行 It's my birthday. Let’s celebrate! 今天是我的生日，咱们庆祝一番吧! 【知识拓展】 cent [sent] n. [C]分，一分钱 【知识拓展】 1 dollars=100 cents centre ['sentə]（美：center）n. [C]①中心，中央；②中点，圆心 They live in the centre of the city. 他们居住在市中心。[in the centre of在……的中心] century ['sentʃʊrɪ] n. [C]百年，世纪 We have entered the 21st century. 我们已经进入了21世纪。 背单词的好方法 随时随地背单词 不知不觉背单词 单词不用记 certain ['sɜːt(ə)n] adj. ①确信的，注定的，有把握的；②某种，一定的 We are not certain whether they will come on time or not. 我们不能确定他们是否能按时来到。[be certain+wh-从句 肯定/确信……] I am certain he will come. 我确信他会来。[be certain +that 从句 确信……] She is certain to win an Oscar. 她肯定会赢得奥斯卡金像奖的。[be certain to do sth. 肯定会做某事] Are you absolutely certain about/ of this? 你对这事绝对确信无疑吗？[be certain about/ of sth. 对某事有把握] 【常用搭配】 make certain弄清楚‖for certain 毫无疑问，肯定地，有把握地 certainly ['sɜːt(ə)nlɪ] adv. ①无疑地，肯定地；②当然，好的 You can certainly use my dictionary. 你当然可以用我的字典了。 —Will you go with me now? 你现在和我一起去好吗？ —Certainly./ Certainly not. 当然可以。/当然不行。[用于回答问题，强调肯定或否定] ceremony ['serɪmənɪ] n. [C]典礼，仪式 The opening ceremony was a fine spectacle. 开幕式典礼是个壮观的场面。 chain [tʃeɪn] n. [C, U]链子，链条 He wears a fat gold chain around his neck. 他脖子里戴了一条粗大的金链子。 Ⅰ. 根据中文意思完成下列句子，每空一词。 1.一班的学生打算在圣诞节表演一个英语短剧。 Students in Class 1 are going to_____ _____ a short English play on Christmas Day. 2.自信能让我们更加快乐。 _____ ______ _______ ourselves may make us happier. 3.心情总是很差对你的健康有害。 Being ______ _______ ______ ______ all the time is bad for your health. 4.为什么不在生日晚会上给他一个惊喜呢? Why not______ ______ ______ ______ on his birthday party? 5.快要考试了，让我们做好准备。 The exams are coming. Let's______ ______ ______ _______. Ⅱ. 选词填空 （let, be afraid to, put on, give….. a surprise, seem ） 1) I ___ give a speech in public. 2) _____the students go to school on time. 3) They can ___ a short play. 4) Today is my birthday, my family ___me___. 5) He ____ upset because he has no friends. Ⅲ. 根据句意及汉语提示，完成下列句子。 1.-Is your mother a nurse? -Yes. She takes care of the___(生病的)people in a hospital. 2. Kate's parents are very____(自豪的) of her because she got an “A" in the test. 3.-What do you think of your____ (老板)，Mr. Zhao? -He is serious，but kind. 4.-Please show me your ____ (护照)，sir. -Here it is. 5.-Who's that lovely boy，Mr. Li? -0h, he's my___ (孙子).His name's Li Bo. 
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