Pandas are facing danger!The situation won’t change humans stop killing.

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

A 【解析】試題分析：句意：熊貓面臨危險(xiǎn)。如果人們不停止殺害熊貓，形勢不會(huì)改變。此題考查連詞，A如果不；B盡管；C如果；D在之后。根據(jù)句意，應(yīng)選A。

(2016●南通市)Jack is still working to high standards he has made great achievements.

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

C 【解析】試題分析：句意：杰克仍然是的高標(biāo)準(zhǔn)的來工作，雖然他取得了巨大的成就。A．until直到……為止； B．if如果；C．though盡管；D．Because因?yàn)�。結(jié)合句意可知，此處應(yīng)選擇表示讓步關(guān)系的從屬連詞。故答案為C。

(2014●蘇州市)Read this article, you will understand that not everything can be bought with money.

A. or B. and C. but D. so

B 【解析】句意：讀這篇文章，你就會(huì)明白不是所有的東西都能用金錢買到。A. or 或者；B. and 和；C. but 但是；D. so因此。or選擇關(guān)系；and 表示順成；but轉(zhuǎn)折關(guān)系；so表示結(jié)果。讀文章與你就會(huì)明白不是所有的東西都能用金錢買到，是順成關(guān)系。因此B正確。

(2016●蘇州市)To make your DIY work perfect , you'd better not start you get all the tools ready .

A. when B. while C. before D. after

C 【解析】句意：為了使你的DIY工作完美，你最好不要在所有工具準(zhǔn)備好之前開始。A. when當(dāng)……的時(shí)候；B. while當(dāng)……的時(shí)候，引導(dǎo)的時(shí)態(tài)為進(jìn)行時(shí)；C. before 在……之前；D. after在……之后。根據(jù)為了使你的DIY工作完美，就應(yīng)該先準(zhǔn)備好所有的工具。故選C。

(2015●泰州市)--- Doctor, I've got a headache.

--- Don't worry. Just take some medicine, ________ you'll be OK again.

A. and B. but C. so D. or

A 【解析】句意：——醫(yī)生，我頭疼�！�—?jiǎng)e擔(dān)心。只要吃藥，你就會(huì)好起來的。A. and 和；B. but 但是；C. so因此；D. or或者。or選擇關(guān)系；and 表示順成；but轉(zhuǎn)折關(guān)系；so表示結(jié)果。吃藥和好起來是順成的。故選A。

There are fewer and fewer tigers in India. The situation will continue _______ humans stop hunting them for their fur and bones.

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

B 【解析】試題分析：句意：印度有越來越少的老虎。如果人類不停止為了虎皮和虎骨獵殺老虎，情況會(huì)繼續(xù)。A.if如果，表示條件；B.unless如果不，表示相反的條件；C.because因?yàn)�，表示原因；D.since自從，表示時(shí)間的起點(diǎn)；既然，表示原因。“如果不”停止，情況會(huì)繼續(xù)。故選B。

(2016●泰州市)---The novel seems a little boring.

---You won't enjoy it you put your heart into it.

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

D 【解析】句意：——這部小說似乎有點(diǎn)乏味。 ——除非你用心去讀，否則你不會(huì)喜歡它。A. when當(dāng)……時(shí)候；B. if如果；C. after 在……之后；D. unless除非。用心去讀是喜歡這部小說的前提條件。故選D。

On those foggy days,you could hardly see anything around you it was at noon.

A.so B.because

C.but D.though

D 【解析】 試題分析：句意：在那霧天的日子里，即使在中午你也不能看見你周圍的東西。A.so因此，表示前后是因果關(guān)系； B.because 因?yàn)�，后跟的是原因�?C.but 表示前后是轉(zhuǎn)折關(guān)系； D.though即使，引導(dǎo)讓步狀語從句。根據(jù)句意故選D。

(2015•無錫市)I think you should complain, , of course, you are happy with the situation.

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

A 【解析】句意：我認(rèn)為你應(yīng)該抱怨，當(dāng)然，除非你對(duì)這種情況感到滿意。A. unless除非； B. however然而；C. until直到；D. though盡管。對(duì)這種情況感到滿意是不抱怨的條件。故選A。

Could you help me with housework _____________ you are free today?

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

A 【解析】試題分析：句意：既然你今天有空，你能幫我做家務(wù)嗎？since ,既然，由于，表示顯而易見的原因。though, 雖然，引導(dǎo)讓步狀語的從屬連詞；unless, 除非，引導(dǎo)條件狀語從句的連詞；until, 直到……引導(dǎo)時(shí)間狀語從句的連詞。根據(jù)句意， 故選A。