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【单选题】
______into the accident, the police concluded that both of the drivers were responsible for it．A.
Having looked
B.
Looked
C.
To look
D.
To be looking
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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
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