3000定语从句1
12. My assistant,_______carefully read through the istructions before doing the experiment,did not get satisfactory results. A.who had B.even who 18.Detergents in composition depend on the cleaning task for which they are intended.此句中的for跟哪个词搭配?intend不是跟to的么? 51.The scientists and technicians overcame a lot of difficulties_______the personal computer. ey had developing B.having developing ey had developed D.which has to develop 这句句子没看懂,帮忙划一下结构,给个解释
12。 My assistant,___A____carefully read through the instructions before doing the experiment,did not get satisfactory results。
A。who had B。even who 虽然我的助手在做实验前仔细阅读过指导书,还是没能取得满意的结果。 18。Detergents in composition depend on the cleaning task for which they are intended。
be intended for:不可省略for。 51。The scientists and technicians overcame a lot of difficulties___A____the personal computer。
ey had developing B。having developing ey had developed D。which has to develop 。。have/overcame 。。difficulty (in)doing sth。
。,difficulty后接名词或doing sth。
答：答案为A 此题中运用的搭配结构：have some difficulty (in) doing sth. 题目中套用了一个定语从句，把结构中的difficult...详情>>
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答：因为第二天不考英语！！详情>>
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