2. 考研
  3. There is no denial that in the tropical area there is a high ______ of malaria.

There is no denial that in the tropical area there is a high ______ of malaria.

admin2010-01-13  84
问题 There is no denial that in the tropical area there is a high ______ of malaria.
选项 A、incident
B、incidence
C、accident
D、precedent
答案B
解析 incident事件；incidence发生率；accident；事故；precedent前例。该句中tropical和malaria分别是“热带的”和“疟疾”。
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