综合检测(四)
unit 4 astronomy：the science of the stars
(满分：120分；时间：100分钟)
ⅰ.单项填空(共15小题；每小题1分，满分15分)
1．recently a kind of industrial glue which is________to people's health has been found in some medicine.
a．harmful b．harmless
c．good d．friendly
2．seeing the bad results of the exams，she was rather frustrated and felt________about her future.
a．surprising b．puzzling
c．puzzled d．surprised
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