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【单选题】
Word中添加批注执行的操作是
A.
插入一新建批注
B.
开始一新建扯注
C.
文件一新建批注
D.
审阅一新建批注
拍照语音搜题,微信中搜索"皮皮学"使用
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举一反三
【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
【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
【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
【单选题】The future survival of the bald eagle is still an important American ecological concern.
A.
migration
B.
population
C.
existence
D.
evolution
【单选题】______ is the national symbol of Australia
A.
Maple
B.
Lion
C.
Emu
D.
Bald eagle
【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.
【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
【单选题】The future ______ of the bald eagle is still an important American ecological concern.
A.
birth
B.
evolution
C.
migration
D.
survival
【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
【单选题】The bald eagle_____ the United States.
A.
relates
B.
takes the place of
C.
represents
D.
stand for
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