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2020年6月23日,北斗三号最后一颗全球组网卫星在____点火升空。

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____称为等高线平距。

Task 1 Based on what you have heard from the conversation, complete the following sentences by filling in the blanks with proper words or phrases.1) Some of the issues that may create problems at work include personality _ , lack of , and aggressive ___ . Also, one interesting problem that can happen at work is .2) It's impossible to make everyone _ about the temperature in the office. Somebody will always complain that it's , and there's a fight over the _ .

急性细菌性感染的主要临床特点不包括以下哪项？

A. 发热
B. 白细胞计数减少
C. 细菌培养呈阳性反应
D. CRP水平明显升高
E. 浅表组织化脓性病灶

社区获得性肺炎经初始治疗达到临床稳定的判断标准是

A. 体温≤37.5℃
B. 心率≤120次/分
C. 呼吸频率≤24次/分
D. 收缩压≥100mmHg
E. 血氧饱和度≥95%或动脉血氧分压≥70mmHg