(讲义)Unit 2 Section Ⅱ Using language-【提分教练】2023-2024学年新教材高中英语选择性必修第三册(外研版2019)

Section Ⅱ　Using language 1．back down退让；认输 (1)back off 退缩；放弃 back up 后退；支持；倒(车) back away 躲避 back onto 背靠；背向 (2)lie on one's back 仰卧 sit in the back 坐在后排 [即学即练]　单句语法填空/句式升级 ①His determination and refusal to back down had won him the victory． ②Jerry backed off when he realized how much work was involved． ③Radio signals received from the galaxy's centre back up the black hole theory． ④Feeling depressed，he stared at the white，dull ceiling，and lied flat on his back．(用分词短语作状语升级) →Feeling depressed，he stared at the white，dull ceiling，lying flat on his back． 2．trial n．试验；试用；考验；审讯；审理 by trial and error　　 反复试验(以得出最佳结果) come to trial 开庭审理 on trial 在受审；在试验中；在试用期 [即学即练]　单句语法填空/完成句子 ①We go through all the trials (trial) and hardships that come with family life． ②We had the machine on trial for a week． ③Children learn to use computer programs by trial and error． ④这个案件从未开庭审理。 The case never came to trial． P22 by/through trial and error反复试验(以得出最佳结果) P23 1．at the age of eight 在8岁的时候 2．on a daily basis 每天 3．a flock of 一群 4．be crucial to 对……来说至关重要 5．allow for使可能 6．contribute to 有助于 7．of all time 自古以来，有史以来 8．the spirit of craftsmanship 工匠精神 9．raise one's awareness of...提高某人的……意识 P24 1．undergo a renaissance 经历复兴 2．a desire for 对……的渴望 3．a combination of... ……的结合 4．speak to表明 5．the “two bombs，one satellite” project “两弹一星”工程 6．back down from sth．放弃某事 7．at the cutting edge (of sth．) (处于某事物发展的)尖端，最前沿 8．think outside the box 不拘一格地思考，跳出框框思考 9．break new ground 开辟新的领域；有新发现 P25 1．in a short space of time 在短时间内 2．be experienced in 在……方面有经验 3．crack hand 一流的技艺 4．jet propulsion 喷气推进 5．seek no fame 不求名声 6．shun the spotlight 避开关注 7．with great resolution 毅然决然地 8．overcome harsh conditions 克服艰苦的条件 9．dedicate oneself to (doing) 献身于(做)…… 表语从句一、表语从句的概述 用来作表语的从句叫作表语从句。表语从句说明主语是什么或者怎么样，位于系动词之后。可以接表语从句的系动词有be，seem，look，sound，taste，feel，remain，appear等。 It seems as if it were spring already． 春天似乎已经来了。 二、引导表语从句的常见连接词 常见的有连接代词 who，which，whatever 等，连接副词 how，why，whenever 等，从属连词 as，that，whether，because等。 1．that引导表语从