The Reader has been a popular programme since last year, __ there is still something not satisfying.

A. though B. until C. if D. unless

A 【解析】句意：自去年以来，《朗读者》成为一个非常受欢迎的节目，但仍有一些不尽人意的地方。A. though 尽管；B. until 直到；C. if 如果；D. unless除非。根据The Readers has been a popular program since last year,和there is still something not satisfying可知前面说的是一...

（2017﹒江苏宿迁）Our head teacher often says, ＂You will not pass the exam ___________ you work hard.＂

A. if B. unless C. since D. when

B 【解析】句意：我们的班主任常说："如果你们不努力学习，你们就通不过考试"。If如果，引导条件状语从句；unless除非，引导条件状语从句；since自从，因为，引导时间状语从句；when当……时候，引导时间状语从句；条件状语从句用一般现在时表示一般将来时，主句用一般将来时，根据题中的时态和句意，如果不努力，就通不过考试，故此处用unless。故选B。

______it is often cold in the mountains, you need to wear warm clothes.

A. Though B. Unless C. As D. Until

C 【解析】句意：由于在山里常常很冷，你需要穿暖和的衣服。A. Though虽然；B. Unless除非；C. As由于；D. Until直到…时。根据题干______it is often cold in the mountains, you need to wear warm clothes.可知此处用as来引导原因状语从句，即“由于在山里常常很冷，你需要穿暖和的衣服”，故选C。 ...

It gets cold at night. you don't wear your coat, you'll catch a cold.

A. If B. How C. While D. Unless

A 【解析】句意：晚上很冷，如果你不穿外套，你会感冒的。本题主要考查连词。A. 如果 If ；B. How 怎样；C. While 当……的时候；D. Unless除非。根据句意可知，如果（if）你不穿上外套,你会感冒的。If意为“如果”，引导条件状语从句，符合题意。故选A

一Why didn't you write down what the teachersaid?

一Because she spoke fast I couldn't follow her.

A. too; to B. very; that

C. enough; to D. so; that

D 【解析】句意：--你为什么不写下老师所说的？—因为她说得如此地快以致于我跟不上她。本题考查的是连词的用法。A. too+ 形容词 /副词+to do,太……而不能做某事； C. enough+形容词/副词+to do足够……做。原题中I couldn't follow her. 是一个句子，故排除AC；B选项very; that不符合英语习惯； D. so; that如此……以致于……。...

His mother doesn't like to throw away old things they are useless.

A. but B. because

C. even if D. so that

C 【解析】句意：他的妈妈不喜欢仍旧东西，尽管它们没有用。A. but 但是表示转折关系 ； B. because因为，表示因果关系；C. even if 即使，表示让步关系 D. so that如此……以致于……表示结果。分析句意知“不喜欢扔旧东西”和“旧东西没用”之间属于让步关系，故选C

一Do you think we should share our problems with our parents?

一Sure! we talk to them, we'll feelworse.

A. If B. Although C. Because D. Unless

D 【解析】句意：--你认为我们应该和父母分享我们的问题吗？—当然了！如果我们不和家长谈，我们会感觉更糟糕。A. If 如果；B. Although 虽然；C. Because 因为；D. Unless除非。本题考查的是从属连词的辨析。从句意来看，这里需要一个表假设的连词，说明后句是表假设的条件状语从句，结合选项，Unless可以引导一个表示假设的条件状语从句，意为“除非”相当于if not...

Nick didn't have dinner he finished doing homework.

A. if B. when C. until D. after

C 【解析】句意：Nick直到写完作业才吃晚饭。A. if 如果，是否；B. when 当……时；C. until 到……为止，not…until直到……才 ； D. after在……之后。根据句意结合关键词didn't，可以判断处此句应用固定表达not…until来完成，意为“直到……才·”引导一个时间状语从句，故选C

Ms. Yang felt so tired that she fell asleep she lay down on the bed.

A. ever since B. unless

C. as soon as D. even though

C 【解析】句意：杨女士感觉很累以致于她一躺在床上就睡着了。A. ever since自从; 从那时到现在; 自…以后； 从…起 ， 引导时间状语从句； B. unless除非，引导条件状语从句； C. as soon as 一···就···引导时间状语从句； D. even though ; 即使，纵然;，引导让步状语从句;。结合句意选C。

The two companies decided to work together ______ they had common interest.

A. because B. unless C. but D. or

A 【解析】 试题分析：句意：这两家公司决定合作，因为他们有共同的利益。前因后果，后面是表原因的状语从句，用because连接。B. unless 除非，表让步；C. but但是，表转折；D. or或者，表选择。故选A。