单项选择题

Which of the following viruses is the pathogen for COVID-19?

A、A. SARS coronavirus B. MERS coronavirus C. Coronavirus D. SARS-CoV-2 E. Adenovirus
B、A. SARS coronavirus B. MERS coronavirus C. Coronavirus D. SARS-CoV-2 E. Adenovirus
C、A. SARS coronavirus B. MERS coronavirus C. Coronavirus D. SARS-CoV-2 E. Adenovirus
D、A. SARS coronavirus B. MERS coronavirus C. Coronavirus D. SARS-CoV-2 E. Adenovirus
E、A. SARS coronavirus B. MERS coronavirus C. Coronavirus D. SARS-CoV-2 E. Adenovirus

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杨某，女，17岁，高中二年级学生。2013年9月18日初诊。患者平素学习用功，父母对她寄予的希望也特别高。今年三月份开始至六月份，持续3个多月，夜里翻来覆去睡不着，脑子里总是浮现白天学习的功课。白天上课精神不足、注意力不集中、精神抑郁，情绪焦躁、心烦心慌，剧烈运动无加重，学习成绩下降，胸部满闷，胁肋胀痛，食欲减退，疲乏无力，大便溏薄。查体：T36.2。C，P94次／分，R18次／分，BP120/80mmHg。面红目赤，双肺呼吸音清，心率94次／分，律齐。肝脾肋未及。舌质红，苔薄黄，脉弦。辅助检查：心电图：

单项选择题

Which of the following are the characteristics of respiratory viruses

A、Invade the respiratory tract and multiply in airway epithelial cells
B、Only cause local infection of the respiratory tract, and do not cause any pathological changes other than the respiratory tract
C、Clinical manifestations of the diseases caused by respiratory viruses are different
D、Coronavirus belongs to respiratory viruses
E、What coronaviruses cause are all severe acute respiratory syndrome

单项选择题

服务礼仪；指引礼仪；右手大跨度打开直线指示方向，五指并拢，身体辅出（）服务礼仪，目光看着右手所指方向，掌心向上微微倾斜

A.10°
B．15°
C．30°
D．45°