| Questions 81-90 are based on
the following passage. It sounds like a science fiction, but researchers say it’s a scientific fact: Microscopic organisms dubbed "killer algae" are paralyzing fish with unknown toxins and then eating away at their flesh. {{U}}They{{/U}} might be making people sick, too. The name given to this single-cell organism, or dinoflagellate, is Pfiesteria piscimorte- {{U}}literally{{/U}}, "fish killer. " It was discovered at North Carolina State University in 1988, but at the same time, few scientists believed in its existence, much less in its highly unusual predatory nature. But ongoing research has led to international acknowledgment of the phenomenon and, recently, research funding. Seemingly {{U}}prompted{{/U}} by an unknown substance secreted by fish, the aggressive creature swims into action. A. safe to eat fresh fish B. dangerous to get close to the algae C. safe to be near the algae D. dangerous to expose the algae [简答题]残髓炎概述
[单项选择]How old is Catherine
[单项选择]肾上腺皮质增生的描述中错误的是
A. 可表现为弥漫性或结节样增生 B. 单侧肾上腺重量＞5.5g，皮质厚度＞2mm C. 临床表现为肾上腺皮质功能亢进症 D. 通常为皮质三个区带同时增生 E. 网状带增生多发生于儿童 [单项选择]根据《全民健身条例》规定，（）等应当加强对全民健身活动的宣传报道，普及科学健身知识，增强公民健身意识。
A. 社会体育指导员 B. 体育工作者和健身人群 C. 广播电台、电视台、报刊和互联网站 D. 健身人群 [判断题]（类别：号段管理难度：中等）某公司计划构建云数据中心，把现有办工桌面切换到云桌面，根据服务器数量和服务器规格计算未来所需的计算资源（）
A.正确 B.错误 [判断题]用绝缘绳索传递大件金属物品(包括工具、材料等)时，杆塔或地面上作业人员应将金属物品接地后再接触，以防电击。
A.正确 B.错误 我来回答: 提交
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