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【多选题】
关于减压反射的正确叙述有A.
压 力感受器的适宜刺激是 动 脉血 压对动 脉管壁的机械 牵张
B.
心迷走神经常处于紧张性活动
C.
它的生理意义在于使动脉血压保持相对稳定
D.
在安静状态下，动脉血压低于压力感受器的阈值，因此降压反射平时不起作用
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举一反三
【单选题】He ______ when he declared that the proplsal ws fidiculous. The proposal was made by himself.
A.
put his foot in it
B.
put himself inhis shoes
C.
put himself in other's shoes
D.
put hiimself in shoes
【单选题】He____when he declared that the proposal was ridiculous. The proposal was made by himself.
A.
put his foot in it
B.
put himself in his shoes
C.
put himself in other's shoes
D.
put himself in shoes
【单选题】球头铣刀与铣削特定曲率半径的成型曲面铣刀的主要区别在于:球头铣刀的半径通常( )加工曲面的曲率半径,成型曲面铣刀的曲率半径( A )加工曲面的曲率半径。
A.
小于 等于
B.
等于 小于
C.
大于 等于
D.
等于 大于
【单选题】增大压强,对已达到平衡的下列 3X ( s ) +Y ( g ) ⇌ 2Z ( g ) +2Q ( s ) 产生的影响是 ( )
A.
正反应速率增大，逆反应速率减小，平衡向正反应方向移动
B.
正、逆反应速率都增大，平衡向逆反应方向移动
C.
正、逆反应速率都增大，平衡向正反应方向移动
D.
正、逆反应速率都不变，平衡不发生移动
【单选题】He declared himself a member of their party.
A.
indicated
B.
announced
C.
consulted
D.
convinced
【简答题】电路中有3 个节点、4 条支路,按KCL列出 个独立的节点电流方程
【简答题】He declared himself the boss of this company.
【单选题】He _____ when he declared that the proposal was ridiculous. The proposal was made by himself.
A.
put hisi foot in it
B.
put himself in his shoes
C.
put himself in other's shoes
D.
put himself in shoes
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