解析：参考解析:原因状语从句的用法。题目前面说她没有参加昨晚上的聚会，后面给出了原因:她得完成期末论文。前后是因果关系，用because。故D为答案。A项If引|导条件状语从句，B项though引导让步状语从句，C项till引导时间状语从句，均可以排除。句意:昨晚她没有参加聚会，因为她得完成期末论文

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Many scientists ____their own eyes and ears than the theories of the ancients.

A. would rather to believe

B. would rather believe

C. rather would believe

D. will rather believe

解析：参考解析:本题中would rather后面经常接不带to的不定式，表示宁可、宁愿”。句意:很多科学家宁愿相信他们自己的见闻也不愿相信古人的理论。

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It is a puzzle to me that Steve who has been working ________ wants to quit the course.

A. diligently

B. frequently

C. unwillingly

D. casually

解析：考点：近义词辨析题意：我不明白Steve学习那么勤奋，却想退学。答案：diligently（勤奋）解释：关键在于句子中的转折关系，frequently屡次，unwillingly不情愿，casually随意

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I won’t complain as long as I ________ where I want to go.

A. will get

B. get

C. got

D. would get

解析：考点：从句题意：只要我能到我想去的地方，我就没什么可抱怨的
答案：get
解释：状语从句，虽然表示的是将来的事件，但由于是在从句中，用一般现在时表示将来的事件。

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I have bought a story book ________ there are many pictures.

A. in which

B. with which

C. which

D. in that

解析：参考解析:从句子结构分析，应填入一个引导定语从句的词语，而从句中的in不可以省略，所以应该选A。当然，如果有选项为where，同样也是符合题意的。

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________ one you choose, I am sure you will enjoy it.

A. Whatever

B. Which

C. That

D. Whichever

解析：参考解析:由whichever引导，表示"无论哪个"，其作用相当于no matter which。因为后面接有one，因而不能用whatever，故选D。

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Please keep a detailed _________ of the work that you have done.

A. paper

B. idea

C. exercise

D. record

解析：参考解析:本题考查词义辨析。keep a record是固定搭配，意为"做记录”，而此题中有一个修饰词detailed，意为"详细的”，只有record符合要求,paper意为"论文"，idea意为"想法”，exercise意为"练习"，均与题意不符。故选D。句意:请详细记录你已经做完的工作。

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Jack lost his job a year ago and he __________ another job yet.

A. has found

B. hasn＇t found

C. found

D. founded

解析：参考解析:not...yet,for，since等是现在完成时的时态标志语，故选B。

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_______ to find the proper job, he decided to give up job-hunting in this city.

A. Failed

B. Being failed

C. To fail