Unit3 Conservation SectionB Lesson1 The Sixth Extinction 重点词汇梳理清单-2023-2024学年高中英语北师大版（2019）选择性必修第一册

Unit 3 Conservation Section B Lesson 1 The Sixth Extinction 1 unusual adj.异常的；不平常的；独特的，与众不同的　usual adj.平常的；通常的；惯常的　usually adv.通常，平常 This time, we stayed together, in case anything else unusual happened. 这次我们待在一起，以防有什么不寻常的其他事情发生。 an unusual method 不寻常的方法 an unusual feature 不寻常的特点 unusual circumstances 异常状况 an unusual ability 非凡的才能 as usual 像往常一样 than usual 比平时…… It is usual (for sb.) to do sth. (某人)做某事是常有的事。 It's unusual (for sb.) to do sth. (某人)做某事是不寻常的。 ❶It was not unusual for him to work very late every night. 每天工作到深夜对他来说是很平常的事。 ❷As usual the festival is marked by gifts known as mooncakes, representing the full moon on that day. 在这个节日里照常以送月饼作为礼物，代表中秋的满月。 [构词法知识]　un-＋adj.→反义词：unable不能的；unhappy不开心的；unlucky不幸的；unknown不出名的；unwilling不愿意的 [即学即练]　单句语法填空 ①The next morning, everyone in the family came to know about the ________ (usual) guest. ②____________ usual, the generous gentleman gave a lot of new books to this school. ③It is usual for him ________ (go) to the office on foot. 完成句子 ④The participants waited outside the cafe ________________ (像往常一样). 2 mass adj.大量的，大规模的；民众的　n．团，块，堆；大量，许多；群众 (教材原句)These include the third mass extinction... 这其中包括第三次大灭绝…… (1)on a mass scale 大规模地 mass production 大批量生产 the mass market 大众市场 the mass media 大众传媒 weapons of mass destruction 大规模杀伤性武器 a mass protest 大规模抗议 (2)a mass of/masses of 大量的 the mass of... ……中的大多数 the masses 群众 ❶These instruments have already gone into mass production. 这些仪器已经大规模投入生产。 ❷Recent development has made possible machines that print, cook, and serve foods on a mass scale．[“make＋宾语＋宾补”结构，由于宾语较长，将宾补(possible)移到了宾语(machines that...)之前]最近的发展使能够大规模打印、烹饪和供应食物的机器成为可能。 ❸The cold air masses are moving from Siberia towards Inner Mongolia. 冷气团正由西伯利亚向内蒙古移动。 ❹A mass of flowers appeared in my vision and the air was filled with pleasing sweetness. 大片鲜花映入眼帘，空气中弥漫着迷人的甜味。 [误区警示]　“a mass of/masses of＋名词”作主语时，谓语动词的形式取决于of后面的名词。 A mass of books were sent to Project Hope. 大量的书籍被送往希望工程