抑制甲状腺腺泡上皮细胞中的 TPO 活性
抑制肠吸收碘
抑制甲状腺的聚碘作用
抑制甲状腺激素的释放
Passage 2
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In about two years, NASA astronauts will go into space with personal assistants. Robotic assistants, of course. About the size of softballs, these personal satellite assistants (PSAs) can float throughout the space shuttle or space station, automatically monitoring life support systems, snapping photos, and taking over monitoring tasks from failed sensors. They're equipped with collision avoidance system so they won't bump into anything Naturally, they're wireless. Thanks to their videoconferencing capabilities, the PSAs offer a virtual presence for ground crews and scientists, letting them advise astronauts--in real time --in the midst of their experiments. The PSAs. will be stowed until the spacecraft reaches orbit (天体运行的轨道). And then activated by the astronauts, ground crews, or even by the spacecraft itsel A. PSAs can automatically monitor life support systems, snapping photos, and taking overmonitoring tasks from failed sensors. B. They are capable of videoconferencing so that they offer a virtual presence of ground crows and scientists. C. They can go where no man has gone since the vehicles were first assembled. D. All of the above mentioned. [单项选择]某项目设计生产能力为80万件/年，预计单位产品售价为150元，单位产品可变成本为130元，固定成本为400万元。该产品营业税及附加的合并税率为5%，则用产销量表示的盈亏平衡点是（）万件。
A. 14.55 B. 20.00 C. 29.63 D. 32.00 [单选题]单相三孔插座的上孔接()。
A.地线 B.相线 C.零线 [判断题]通过安装、建设防范设施设备、系统与工程，可提供更多的就业机会，拉动经济增长，从而达到促进社会稳定的目的。（）
[单选题]《安全生产法》规定,生产经营单位的( )必须按照国家有关规定经专门的安全作业培训,取得相应资格,方可上岗作业。
A.从业人员 B.劳务派遣人员 C.特种作业人员 我来回答: 提交
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