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The use of the chemical may present a certain hazard to the laboratory workers.
The use of the chemical may present a certain hazard to the laboratory workers.
admin
2009-06-15
122
问题
The use of the chemical may present a certain
hazard
to the laboratory workers.
选项
A、protection
B、indication
C、immunity
D、danger
答案
D
解析
hazard 和 danger意思相近:危险;危害。There is a widespread danger of disease in this area.在这个地区疾病有扩散的危险。protection:保护;防护。Insurance is a protection against unforeseeable misfortunes.保险是对不可预见的灾难的一种防护措施。indication:指示;迹象。Indications of a possible earthquake have been observed.人们观察到一些可能要发生地震的迹象。immunity:免疫力。Scientists are studying why some individuals have natural immunity to the disease.科学家们在研究为什么一些人对这种病有自然的免疫力。
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本试题收录于:
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