皮皮学，免费搜题
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【单选题】
酚妥拉明为
A.
β受体阻滞药
B.
β受体激动药
C.
α受体阻滞药
D.
α、β受体激动药
E.
α、β受体阻滞药
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【单选题】The bald eagle ______ into the air and searched its prey with its penetrating eyes.
A.
staggered
B.
soared
C.
whirled
D.
perched
查看完整题目与答案
【单选题】计算机工作最重要的特征是
A.
高速度
B.
高精度
C.
存储程序和程序控制
D.
记忆力强
查看完整题目与答案
【单选题】听力原文： America's national symbol, the bald eagle, almost went extinct 20 years ago. But it has made a comeback. In fact, the U. S. Fish and Wildlife Service is considering the possibility of taking it ...
A.
It limited their supply of food.
B.
It made their eggshells to fragile.
C.
It destroyed many of their nests.
D.
It killed man baby bald eagles.
查看完整题目与答案
【单选题】According to the speaker, what is the possible danger facing bald eagle?
A.
Pollution of the environment.
B.
Over-killing by hunters.
C.
Destruction of their natural homes.
D.
A new generation of pest killers.
查看完整题目与答案
【单选题】计算机工作最重要的特征是
A.
记忆力强
B.
运算准确
C.
运算快
D.
存储程序和程序控制
查看完整题目与答案
【单选题】What is the symbol of Canada?
A.
Lion.
B.
Maple.
C.
Bald eagle.
D.
Rose.
查看完整题目与答案
【单选题】在家兔动脉血压实验中,夹闭一侧颈总动脉引起全身动脉血压升高,其主要原因是
A.
血管容积减少，相对血容量增多
B.
颈动脉窦受到牵拉刺激
C.
颈动脉窦压力降低
D.
颈动脉体受到牵拉刺激
E.
颈动脉体压力降低
查看完整题目与答案
【单选题】The future ______ of the bald eagle is still an important American ecological concern.
A.
birth
B.
evolution
C.
migration
D.
survival
查看完整题目与答案
【单选题】在家免动脉血压实验中，央闭一侧颈总动脉引起全身动脉血压升高，其主要原因是
A.
血管容积减少，相对血容量增多
B.
颈动脉窦受到牵拉刺激
C.
颈动脉体受到牵拉刺激
D.
颈动脉窦压力降低
E.
颈动脉体压力降低
查看完整题目与答案
【单选题】The bald eagle_____ the United States.
A.
relates
B.
takes the place of
C.
represents
D.
stand for
查看完整题目与答案
相关题目：
【单选题】The bald eagle ______ into the air and searched its prey with its penetrating eyes.
A.
staggered
B.
soared
C.
whirled
D.
perched
查看完整题目与答案
【单选题】计算机工作最重要的特征是
A.
高速度
B.
高精度
C.
存储程序和程序控制
D.
记忆力强
查看完整题目与答案
【单选题】听力原文： America's national symbol, the bald eagle, almost went extinct 20 years ago. But it has made a comeback. In fact, the U. S. Fish and Wildlife Service is considering the possibility of taking it ...
A.
It limited their supply of food.
B.
It made their eggshells to fragile.
C.
It destroyed many of their nests.
D.
It killed man baby bald eagles.
查看完整题目与答案
【单选题】According to the speaker, what is the possible danger facing bald eagle?
A.
Pollution of the environment.
B.
Over-killing by hunters.
C.
Destruction of their natural homes.
D.
A new generation of pest killers.
查看完整题目与答案
【单选题】计算机工作最重要的特征是
A.
记忆力强
B.
运算准确
C.
运算快
D.
存储程序和程序控制
查看完整题目与答案
【单选题】What is the symbol of Canada?
A.
Lion.
B.
Maple.
C.
Bald eagle.
D.
Rose.
查看完整题目与答案
【单选题】在家兔动脉血压实验中,夹闭一侧颈总动脉引起全身动脉血压升高,其主要原因是
A.
血管容积减少，相对血容量增多
B.
颈动脉窦受到牵拉刺激
C.
颈动脉窦压力降低
D.
颈动脉体受到牵拉刺激
E.
颈动脉体压力降低
查看完整题目与答案
【单选题】The future ______ of the bald eagle is still an important American ecological concern.
A.
birth
B.
evolution
C.
migration
D.
survival
查看完整题目与答案
【单选题】在家免动脉血压实验中，央闭一侧颈总动脉引起全身动脉血压升高，其主要原因是
A.
血管容积减少，相对血容量增多
B.
颈动脉窦受到牵拉刺激
C.
颈动脉体受到牵拉刺激
D.
颈动脉窦压力降低
E.
颈动脉体压力降低
查看完整题目与答案
【单选题】The bald eagle_____ the United States.
A.
relates
B.
takes the place of
C.
represents
D.
stand for
查看完整题目与答案