【单选题】
流行性乙型脑炎的主要传播媒介为____。
A. 伊蚊
B. 库蚊
C. 按蚊
D. 阿蚊
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有鼠类接触史且有呼吸道感染症状、剧烈头痛、恶心呕吐伴有烦躁不安、意识模糊等症状应重点排查的传染病是____。
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根据《口岸传染病排查处置技术方案》，个人防护用品穿戴包括①手卫生，②戴医用防护口罩或全面型自吸过滤式呼吸器，③戴一次性工作帽，④穿医用一次性防护服，⑤戴防护眼罩或防护面屏，⑥戴一次性手套，⑦穿工作鞋、一次性鞋套或一次性防水靴套，⑧戴外层一次性手套，正确的顺序是____。
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Having practiced so many times, I feel very ___ of my ability to deliver the presentation successfully.
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The university decided to increase the ___ of the lecture hall, which has only 200 seats.
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___ they have written about the behaviors of animals is hardly anything new.
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The school has ___ many after-class activity groups for the pupils to make their spare time more colorful.
A. set up
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