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【单选题】
某地环境监测站每隔一定时间会到自来水厂取水口取样送往实验室分析检测,此项工作属于:A.
食品分析
B.
仲裁分析
C.
例行分析
D.
在线分析
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【简答题】It is difficult for him to make ( ) living . ( ) l iving in the city is expensive. ( ) l ife is short. It's reported that ( ) l ives were lost after a boat capsized.
【简答题】adv. 在背后; prep. 在......背后
【单选题】Never ________g iving thanks to your teachers who have helped you all the years .
A.
leave without
B.
c ontinue on
C.
reach for
D.
at the moment
【单选题】Jimmy earns his iving by works of art in the museum.
A.
recovering
B.
restoring
C.
renewing
D.
reviving
【判断题】L iving standards were converging among developing countries during 1990-2012 .
A.
正确
B.
错误
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