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【单选题】
使用抽拉式电容验电器时，绝缘杆应（）打开。A.
缓慢
B.
急速
C.
完全
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皮皮学刷刷变学霸
举一反三
【单选题】“______________________” “I’m in charge of research and development.”
A.
Who is responsible for making travel arrangements?
B.
What is your role here?
C.
What is research and development?
【简答题】______(不言而喻)that the development of science and technology is vital m the modernization of China.
【单选题】男性病人,转移性右下腹痛 2 天,伴呕吐,腹部检查全腹肌紧张,压痛,反跳痛,以右下腹为著,肠鸣音消失,移动性浊音阳性。 这位病人的初步诊断是
A.
急性胃肠炎
B.
阑尾炎并腹膜炎
C.
胆囊炎
D.
胆道蛔虫病
E.
胃穿孔并腹膜炎
【单选题】________ development, a multicultural society is believed to have more advantages ______one that is mono-cultural [ ]
A.
As for; about
B.
To; over
C.
As for; over
D.
With; above
【单选题】This lastest development has further ______ my determination to leave lest I'm arrested.
A.
promoted
B.
cultivated
C.
pushed
D.
strengthened
【单选题】The dog has been of most value to man m the development of ______.
A.
a treatment for rabies
B.
open-heart surgery
C.
a cure for distemper
D.
all of the above
【单选题】下列关于兴奋在同一细胞上的传导的叙述,错误的是( )。
A.
动作电位沿细胞膜传导到整个细胞
B.
传导方式是通过局部电流,使未兴奋部位出现动作电位
C.
动作电位传导的距离与局部电流大小有关
D.
有髓神经纤维比无髓神经纤维的传导速度快
E.
有髓神经纤维呈跳跃式传导
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