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举一反三
【单选题】Which of the following statements is NOT true?
A.
The frame. of a kite is attached to a long string held in the hand or wound on a drum.
B.
The ancestor of the double box-shaped body had three wings.
C.
The cutter kite has a diamond-shaped body had no wings.
D.
The current folding kite is developed to test theories of flight.
【单选题】A receiving host computes the checksum on a frame and determines that the frame is damaged.The frame is then discarded.At which OSI layer did this happen?（）
A.
session
B.
network
C.
Physical
D.
data link
E.
Transport
【单选题】Which of the following statements is NOT true?
A.
The frame. of a kite is attached to a long string held in the hand or wound on a drum.
B.
The ancestor of the double box-kite is the box-kite.
C.
The cutter kite has a diamond-shaped body but no wings.
D.
The man-lifting kites were developed by German.
【单选题】_____ is the act of allocating space to containers on board of a container ship in the order of the discharge ports.
A.
Container loading
B.
Container discharging
C.
Stowage planning
D.
Container checking
【简答题】下列条目中，（ ）不是语句ALTERTABLE的功能。 A）增加表的完整性约束 B）删除表的完整性约束 C）修改表中的列 D）删除表中的列
【单选题】某企业应付账款账户期初借方余额为2500元,本期新增加的应付款项为7000元,实际支付的应付款项为4000元 ,则该账户期末余额为( )。
A.
借方7000元
B.
B贷方7000元
C.
C借方4000元
D.
D贷方500元
【简答题】下列条目中，不是语句ALTERTABLE功能的是（ ）。 A)增加表的完整性约束 B)删除表的完整性约束 C)增加表中的列 D)删除表中的列
【单选题】下列不符合颈部动脉损伤特点的是
A.
常见于颈部火器伤、刃器、锐器的穿透、刺、切致伤
B.
多为血管壁损伤，出血迅猛
C.
容易发生空气栓塞
D.
创道深而窄，形成血肿，压迫气管引起呼吸困难
E.
伴咽喉、气管损伤，血液流入呼吸道造成窒息
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