题目内容
17．In order to find ____ better job，my sister decided to study ____ second foreign language．（ ）| A． | the，a | B． | a，a | C． | the，the | D． | a，the |
分析 为了找到更好的一份工作，我姐姐决定再学习一门外语．
解答 答案：B．根据句意第一空"一个更好的工作"是泛指，better开头发音是辅音音素，所以用不定冠词a；第二空表示"又一，再一"的意思，在序数词前加不定冠词，second开头发音是辅音音素，所以用不定冠词a；结合语境，故选B．
点评 用a还是用an一般说来，最基本的用法是在辅音因素开头的词前用a，而在元音音素开头的词前用an..
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7．
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These students can make up to nine（67）hundred dollars a day．They are selling their special coffee to airplane passengers．After the students get paid，the（68）rest of the money goes to a local youth project．
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| usual mistake rest hundred what make although under they think fly how |
These students can make up to nine（67）hundred dollars a day．They are selling their special coffee to airplane passengers．After the students get paid，the（68）rest of the money goes to a local youth project．
These high school students use a space in the Oakland airport．It is （69）usually very crowded．Many people who（70）fly on the planes like to drink the special coffee．
One customer（71）thinksthat the coffee costs a lot but it is good and worth it．Most customers are pleasant but some are unhappy．（72）They do not like it if the coffee cafe is not open for business．
The students earn $6.10an hour．They also get school credit while they learn （73）how to run a business．Many of the students enjoy the work（74）although it took some time to learn how to do it．
They have to learn how to heat milk，load the pots，and add flavor．It takes some skill and sometimes （75）mistakes are made．The most common mistake is forgetting to add the coffee．