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【判断题】
已知“H”的ASCII码值为48H,则可推断出“J”的ASCII码值为50H。(2014)A.
正确
B.
错误
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举一反三
【单选题】Buoyancy is a measure of the ship's ______.
A.
freeboard
B.
deadweight
C.
ability to float
D.
midships strength
【单选题】What is reserve buoyancy?（）.
A.
The amount of buoyancy measured in foot/tons
B.
The vertical distance above the waterline inside the hull
C.
The volune of space that is filled with water
D.
The volume of intact space above the waterline
【单选题】The amount of freeboard affects the ______.① amount of reserve buoyancy of a vessel ② range of stability of a vessel.
A.
① only
B.
② only
C.
Both ① and ②
D.
Neither ① nor ②
【单选题】What is reserve buoyancy?
A.
The amount of buoyancy measured in foot/tons
B.
The vertical distance above the waterline inside the hull
C.
The volume of space that is filled with water
D.
The volume of intact space above the waterline
【单选题】海胆精子入卵时,卵子表面形成何种结构?( ) prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
A.
受精锥
B.
受精孔
C.
受精膜
D.
皮层颗粒
【单选题】The _______is the point at which a vertical line through the heeled ship’s center of buoyancy intersects with the vertical line through the upright ship’s center of buoyancy.
A.
metacenter
B.
centre of buoyancy
C.
centre of gravity
D.
centre of flotation
【单选题】] What is reserve buoyancy ? ______
A.
The amount of buoyancy measure in foot / tons.
B.
The vertical distance above the waterline inside the hull.
C.
The volume of space that is filled with water.
D.
The volume of intact space above the waterline.
【单选题】引起前置胎盘的病因下列哪项不符
A.
人流、刮宫、感染等引起宫内膜受损及炎症
B.
单胎较双胎发生率高
C.
受精卵发育延迟 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
D.
多胎妊娠胎盘面积过大
E.
膜状胎盘
【单选题】The ______is the point at which a vertical line through the heeled ship’s center of buoyancy intersects with the vertical line through the upright the upright ship’s center of buoyancy?
A.
metacenter
B.
center of buoyancy
C.
Center of gravity
D.
center of flotation
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