皮皮学，免费搜题
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【单选题】
塑料注射成型工艺是塑料制品一种重要的成型方法,以下说法中不正确的是 ( ) 。
A.
成型周期短
B.
能一次成型外形复杂的塑件
C.
所得塑件尺寸精确
D.
成型周期很长
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举一反三
【单选题】Most Jewish families ________ many difficulties during the Second World War.
A.
went through
B.
went over
C.
went on
D.
went up
查看完整题目与答案
【单选题】患儿,女,1岁。因上呼吸道感染出现了咳嗽、发热入院。现体温39.3,半小时前突发抽搐,持续约1分钟后停止,呈嗜睡状,为避免再抽搐,护理的重点是
A.
多晒太阳
B.
按时预防接种
C.
加强体格锻炼
D.
居室定期食醋熏蒸
E.
体温过高时应及时降温
查看完整题目与答案
【单选题】During the dock repair, each sea valve must be disassembled, cleaned and ground wellBefore it reassemble the sealing surface between the valve and the valve seat should be checked by ____.
A.
chief engineer
B.
surveyor
C.
the engineer
D.
the technique personnel of the shipyard
查看完整题目与答案
【单选题】Valve overlap is the period during which _____.
A.
the inlet valve is open
B.
the exhaust valve is open
C.
both valves are closed
D.
both valves are open
查看完整题目与答案
【单选题】患儿女,2岁。自幼青紫,生长发育落后于同龄小儿,反复上呼吸道感染,现因发热、咳嗽3天入院。查体:体温38.5°C,口唇发绀,咽部充血,双肺呼吸音粗,无干湿啰音,心率136次/分,胸骨左缘 2~肋间可闻及II~III级喷射性收缩期杂音,指(趾)端发绀明显,有杵状指。患儿入院后1小时,因哭闹后突然晕厥、抽搐,护士意识到可能出现了( )
A.
脑缺氧发作
B.
脑脓肿
C.
脑血栓
D.
中毒性脑病
E.
脑出血
查看完整题目与答案
【单选题】During the valve overlap period, the exhaust pressure of a turbocharged four-stroke/cycle diesel engine must be less than the intake manifold pressure to ensure ______.
A.
effective cylinder scavenging and cooling
B.
constant pressure from the turbochargers
C.
cooler operation of the exhaust system
D.
effective constant pressure for turbocharger operation
查看完整题目与答案
【单选题】患儿女,2岁。自幼青紫,生长发育落后于同龄小儿,反复上呼吸道感染,现因发热、咳嗽天入院。查体:体温38.5°C,口唇发绀,咽部充血,双肺呼吸音粗,无干湿啰音,心率136 次/分,胸骨左缘2~4 肋间可闻及II~III级喷射性收缩期杂音,指(趾)端发绀明显,有杵状指。患儿入院后 1 小时,因哭闹后突然晕厥、抽搐,护士意识到可能出现了( )
A.
脑缺氧发作
B.
脑脓肿
C.
脑血栓
D.
中毒性脑病
E.
脑出血
查看完整题目与答案
【单选题】During the intake stroke, the piston is moving downward and the intake valve is and the exhaust valve is .
A.
open, open
B.
closed, open
C.
open, closed
D.
closed, closed
查看完整题目与答案
【单选题】患儿女,2 岁。自幼青紫,生长发育落后于同龄小儿,反复上呼吸道感染,现因发热、咳嗽 3 天入院。查体:体温 38.5°C,口唇发绀,咽部充血,双肺呼吸音粗,无干湿啰音,心率 136次/分,胸骨左缘 2~4 肋间可闻及II~III级喷射性收缩期杂音,指(趾)端发绀明显,有杵状指。患儿入院后 1小时,因哭闹后突然晕厥、抽搐,护士意识到可能出现了
A.
脑缺氧发作
B.
脑脓肿
C.
脑血栓
D.
中毒性脑病
E.
脑出血
查看完整题目与答案
【单选题】During the accident, the car turned _____ and the driver died immediately.
A.
down
B.
over
C.
off
D.
out
查看完整题目与答案
相关题目：
【单选题】Most Jewish families ________ many difficulties during the Second World War.
A.
went through
B.
went over
C.
went on
D.
went up
查看完整题目与答案
【单选题】患儿,女,1岁。因上呼吸道感染出现了咳嗽、发热入院。现体温39.3,半小时前突发抽搐,持续约1分钟后停止,呈嗜睡状,为避免再抽搐,护理的重点是
A.
多晒太阳
B.
按时预防接种
C.
加强体格锻炼
D.
居室定期食醋熏蒸
E.
体温过高时应及时降温
查看完整题目与答案
【单选题】During the dock repair, each sea valve must be disassembled, cleaned and ground wellBefore it reassemble the sealing surface between the valve and the valve seat should be checked by ____.
A.
chief engineer
B.
surveyor
C.
the engineer
D.
the technique personnel of the shipyard
查看完整题目与答案
【单选题】Valve overlap is the period during which _____.
A.
the inlet valve is open
B.
the exhaust valve is open
C.
both valves are closed
D.
both valves are open
查看完整题目与答案
【单选题】患儿女,2岁。自幼青紫,生长发育落后于同龄小儿,反复上呼吸道感染,现因发热、咳嗽3天入院。查体:体温38.5°C,口唇发绀,咽部充血,双肺呼吸音粗,无干湿啰音,心率136次/分,胸骨左缘 2~肋间可闻及II~III级喷射性收缩期杂音,指(趾)端发绀明显,有杵状指。患儿入院后1小时,因哭闹后突然晕厥、抽搐,护士意识到可能出现了( )
A.
脑缺氧发作
B.
脑脓肿
C.
脑血栓
D.
中毒性脑病
E.
脑出血
查看完整题目与答案
【单选题】During the valve overlap period, the exhaust pressure of a turbocharged four-stroke/cycle diesel engine must be less than the intake manifold pressure to ensure ______.
A.
effective cylinder scavenging and cooling
B.
constant pressure from the turbochargers
C.
cooler operation of the exhaust system
D.
effective constant pressure for turbocharger operation
查看完整题目与答案
【单选题】患儿女,2岁。自幼青紫,生长发育落后于同龄小儿,反复上呼吸道感染,现因发热、咳嗽天入院。查体:体温38.5°C,口唇发绀,咽部充血,双肺呼吸音粗,无干湿啰音,心率136 次/分,胸骨左缘2~4 肋间可闻及II~III级喷射性收缩期杂音,指(趾)端发绀明显,有杵状指。患儿入院后 1 小时,因哭闹后突然晕厥、抽搐,护士意识到可能出现了( )
A.
脑缺氧发作
B.
脑脓肿
C.
脑血栓
D.
中毒性脑病
E.
脑出血
查看完整题目与答案
【单选题】During the intake stroke, the piston is moving downward and the intake valve is and the exhaust valve is .
A.
open, open
B.
closed, open
C.
open, closed
D.
closed, closed
查看完整题目与答案
【单选题】患儿女,2 岁。自幼青紫,生长发育落后于同龄小儿,反复上呼吸道感染,现因发热、咳嗽 3 天入院。查体:体温 38.5°C,口唇发绀,咽部充血,双肺呼吸音粗,无干湿啰音,心率 136次/分,胸骨左缘 2~4 肋间可闻及II~III级喷射性收缩期杂音,指(趾)端发绀明显,有杵状指。患儿入院后 1小时,因哭闹后突然晕厥、抽搐,护士意识到可能出现了
A.
脑缺氧发作
B.
脑脓肿
C.
脑血栓
D.
中毒性脑病
E.
脑出血
查看完整题目与答案
【单选题】During the accident, the car turned _____ and the driver died immediately.
A.
down
B.
over
C.
off
D.
out
查看完整题目与答案