皮皮学，免费搜题
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【单选题】
局麻药的作用机制是
A.
阻断K+外流,阻碍神经细胞膜去极化
B.
阻碍Ca2+内流,阻碍神经细胞膜去极化
C.
促进CI-内流,使神经细胞膜超极化
D.
阻碍Na+内流,阻碍神经细胞膜去极化
E.
阻断乙酰胆碱的释放,影响冲动的传递
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举一反三
【单选题】According to the passage, when docs a trade imbalance occur? When ______.
A.
a country has serious economic problem
B.
a country sells more products overseas than it imports
C.
the value of the products a country imports is greater than the value of the product it exports
D.
a country can't develop its natural resources
查看完整题目与答案
【单选题】白喉的计划免疫采用
A.
丙种球蛋白
B.
抗毒素
C.
类毒素
D.
死疫苗
E.
活疫苗
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【单选题】计算机病毒的传染途径有多种,目前危害最大的传播途径是( )
A.
通过软盘传染
B.
通过硬盘传染
C.
通过光盘传染
D.
通过网络传播
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【单选题】Passage Two Questions 62 to 66 are based on the following passage. When next year’s crop of high-school graduates arrive at Oxford University in the fall of 2009, they’ll be joined by a new face; Andr...
A.
Institutions worldwide are hiring administrators from theU.S.
B.
A lot of political activists are being recruited as administrators.
C.
American universities are enrolling more international students.
D.
University presidents are paying more attention to funding-raising.
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【判断题】“三从四德”是指封建社会强加在妇女头上的枷锁.
A.
正确
B.
错误
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【单选题】植入开始于受精后
A.
第3～4天
B.
第5～6天
C.
第7～8天
D.
第9～10天
E.
第11～12天
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【单选题】According to the passage, a teacher's duty is to ______.
A.
provide students with help when it is needed
B.
find out students' mistakes and correcting them
C.
teach students knowledge essential for their future life
D.
help students find out correct answers
查看完整题目与答案
【单选题】0脑干中的______严重受损可引起心跳与呼吸停止、血压下降而导致死亡。
A.
中脑
B.
延髓
C.
脑桥
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【单选题】植入开始于受精后
A.
第3～4天
B.
第5～6天
C.
第7～8天
D.
第9～10天
查看完整题目与答案
【单选题】According to the passage, the sensitive plant's leaves move quickly when parts of the pulvini ______.
A.
drop off
B.
become limp
C.
revolve
D.
twitch
查看完整题目与答案
相关题目：
【单选题】According to the passage, when docs a trade imbalance occur? When ______.
A.
a country has serious economic problem
B.
a country sells more products overseas than it imports
C.
the value of the products a country imports is greater than the value of the product it exports
D.
a country can't develop its natural resources
查看完整题目与答案
【单选题】白喉的计划免疫采用
A.
丙种球蛋白
B.
抗毒素
C.
类毒素
D.
死疫苗
E.
活疫苗
查看完整题目与答案
【单选题】计算机病毒的传染途径有多种,目前危害最大的传播途径是( )
A.
通过软盘传染
B.
通过硬盘传染
C.
通过光盘传染
D.
通过网络传播
查看完整题目与答案
【单选题】Passage Two Questions 62 to 66 are based on the following passage. When next year’s crop of high-school graduates arrive at Oxford University in the fall of 2009, they’ll be joined by a new face; Andr...
A.
Institutions worldwide are hiring administrators from theU.S.
B.
A lot of political activists are being recruited as administrators.
C.
American universities are enrolling more international students.
D.
University presidents are paying more attention to funding-raising.
查看完整题目与答案
【判断题】“三从四德”是指封建社会强加在妇女头上的枷锁.
A.
正确
B.
错误
查看完整题目与答案
【单选题】植入开始于受精后
A.
第3～4天
B.
第5～6天
C.
第7～8天
D.
第9～10天
E.
第11～12天
查看完整题目与答案
【单选题】According to the passage, a teacher's duty is to ______.
A.
provide students with help when it is needed
B.
find out students' mistakes and correcting them
C.
teach students knowledge essential for their future life
D.
help students find out correct answers
查看完整题目与答案
【单选题】0脑干中的______严重受损可引起心跳与呼吸停止、血压下降而导致死亡。
A.
中脑
B.
延髓
C.
脑桥
查看完整题目与答案
【单选题】植入开始于受精后
A.
第3～4天
B.
第5～6天
C.
第7～8天
D.
第9～10天
查看完整题目与答案
【单选题】According to the passage, the sensitive plant's leaves move quickly when parts of the pulvini ______.
A.
drop off
B.
become limp
C.
revolve
D.
twitch
查看完整题目与答案