公共媒介传播是由受污染的食品、药品、水系统和设备传播病原微生物。
查看答案
病媒传播是病媒如蚊虫、苍蝇、蟑螂等节肢动物，或老鼠等所传播的疾病。
A. 对
B. 错
在医院感染(HAI)中，手术部位的感染，占有重要位置，特别是我国原有医院手术室，绝大部分没有配置符合现代要求的空调净化装置或系统，正面临大范围的改造。
A. 对
B. 错
What does Maria do with her sister usually?
A. They go for a coffee together.
B. They have lunch at the town.
C. They watch a movie once a month.
D. They have a takeaway toghther every Friday.
What is true about the man they talk about?
A. He is an interesting guy.
B. He like sports.
C. He does a lot of travelling.
D. All above.
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