皮皮学，免费搜题
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搜题
【多选题】
普萘洛尔的降压作用机制包括A.
阻断血管平滑肌上的β受体
B.
阻断心血管运动中枢的β受体
C.
阻断外突触前膜的β受体
D.
阻断心肌上的β1受体
E.
阻断肾小球旁细胞上的β1受体
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皮皮学刷刷变学霸
举一反三
【单选题】Which one of the following factors does not reduce the effect of free surface?
A.
minimum number of daily service tanks in use
B.
where possible, tanks either full or empty
C.
GZ max at minimum 25度
D.
bilges pumped out
【单选题】二维手机游戏画面为何不能使用 Photoshop 直接缩小大图而形成像素画面?
A.
软件无法制作
B.
会使像素失真，严重影响画面效果
C.
无法压缩
D.
程序不支持直接压缩的限制
【单选题】Which of the following structures does not form the anterior surface of the heart?
A.
Right ventricle
B.
Right atrium
C.
Left ventricle
D.
Left atrium
E.
Right auricle
【单选题】Which of the following does not belong to the tibial surface marker?
A.
tibial tuberosity
B.
medial malleolus
C.
medial condyle
D.
lateral malleolus
【单选题】Which surface does NOT utilize trim tabs?
A.
elevator
B.
rudder
C.
stabilator
D.
stabilizer
【单选题】A(n) _____ is a mechanical attack on the metal surface which may be due to a disturbance in the flow of the water over the blade of the propeller.
A.
erosion
B.
corrosion
C.
pitting
D.
dezincification
【单选题】Which one of the following factors does not reduce the effect of free surface? ___
A.
Minimum number of daily service tanks in use
B.
Where possible， tanks either full or empty
C.
GZmax at minimum25°
D.
Bilges pumped out
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