皮皮学，免费搜题
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搜题
【单选题】
激光测距仪主要利用激光的什么特性？A.
方向性
B.
高能量
C.
相干性
D.
单色性
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Li Shizhen’s most incredible achievement was his effort in writing
A.
Ben Cao Gang Mu
B.
Qian Jin Fang
C.
Huang Ti Nei Ching
D.
I-Ching
【单选题】________ is the first clear medical treatise of TCM.
A.
Qian Jin Fang
B.
Treatise on Febrile and Miscellaneous Diseases
C.
Huang Ti Nei Ching
D.
I-Ching
【简答题】What should people do during the fire alarm?They should ______ the elevator.
【单选题】The first clear medical treatise is
A.
I-Ching
B.
Huang Ti Nei Ching
C.
Qian Jin Fang
D.
Ben Cao Gang Mu
【单选题】A woman weighing 6.0 × 10 2 N is riding an elevator from the 1st to the 6th floor. As the elevator approaches the 6th floor, it decreases its upward speed from 8.0 to 2.0 m/s in 3.0 s. What is the ave...
A.
120 N
B.
480 N
C.
600 N
D.
720 N
E.
1200 N
【单选题】The first book in Chinese history is
A.
Huang Ti Nei Ching
B.
I-Ching
C.
Shen Nung Pen Ts’ao
D.
Qian Jin Fang
【单选题】以下有关人类免疫缺陷病毒 (HIV) 感染伴发精神障碍哪项不对
A.
人类免疫缺陷病毒感染是一种慢性传染病
B.
HIV 直接侵犯中枢神经系统，而导致一系列的神经病理学改变
C.
精神症状可表现为认知功能障碍、谵妄、精神病性症状和情感障碍
D.
约 10%~20% 的艾滋病患者可伴发痴呆
E.
如能及时治疗，多数病人可以痊愈
【单选题】An elevator cab of mass m = 500kg is descending with speed v i = 4.0m/s when its supporting cable begins to slip, allowing it to fall with constant acceleration a = g/5. During the 12m fall, what is t...
A.
-47kJ
B.
47kJ
C.
50kJ
【单选题】以下有关人类免疫缺陷病毒(HIV)感染伴发精神障碍哪项不对
A.
人类免疫缺陷病毒感染是一种慢性传染病
B.
HIV直接侵犯中枢神经系统，而导致一系列的神经病理学改变
C.
精神症状可表现为认知功能障碍、谵妄、精神病性症状和情感障碍
D.
约10%～20%的艾滋病患者可伴发痴呆
E.
如能及时治疗，多数患者可以痊愈
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