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【单选题】
航行时值班驾驶员进行海图作业或进行雷达系统观察时，值班水手发现舵效不灵，应：
A.
立即报告值班驾驶员
B.
立即采取措施进行避让
C.
立即操舵进行避让
D.
以上都错
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参考答案：
举一反三
【单选题】How many did US military personnel are involved in the Vietnam conflict by 1969?
A.
more than 400 000
B.
more than 450 000
C.
more than 500 000
D.
more than 550 000
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【判断题】( )金属材料抵抗外力作用而不致破坏的能力,叫强度。外力是拉力时,叫抗拉强度;外力是压力时,叫抗压强度;外力是弯曲力时,叫抗弯强度。
A.
正确
B.
错误
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【单选题】How many personnel are on board?
A.
5
B.
6
C.
7
D.
8
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【单选题】S1: How many departments are there on board? S2:Three departments: Deck department, Engine department, Service department. Q:Besides deck and engine department,which department is there on board else?...
A.
Business department
B.
Service department.
C.
Technical department.
D.
Personnel department.
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【单选题】当不可压气流连续流过一个阶梯管道时，己知其截面积【图片】,则其静压为
A.
P1=P2=P3
B.
P1>P2>P3
C.
P1
D.
P1>P3>P2
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【单选题】RFN 有多少比特?
A.
20
B.
19
C.
18
D.
17
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【多选题】How many components of logistics does the dialogue include?
A.
procurement
B.
maintenance
C.
distribution
D.
replacement of personnel and material
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【单选题】当不可压气流连续流过一个阶梯管道时.己知其截面积Al=3A2则其流速为
A.
V1=9V2
B.
V2 ＝9V1
C.
V2=3V1
D.
V1=3V2
查看完整题目与答案
【简答题】金属材料抵抗外力作用而不致破坏的能力，叫（）。外力是拉力时，叫抗拉强度；外力是压力时，叫（）；外力是弯曲力时，叫（）。
查看完整题目与答案
【简答题】Unit seven-listen(1).wmv Mr.Wang: Mr.Smith, What kind of company do you work for? Mr.Smith: I am working for a (1) . It is one of the biggest manufacturers for computers in America with its (2) in Los...
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相关题目：
【单选题】How many did US military personnel are involved in the Vietnam conflict by 1969?
A.
more than 400 000
B.
more than 450 000
C.
more than 500 000
D.
more than 550 000
查看完整题目与答案
【判断题】( )金属材料抵抗外力作用而不致破坏的能力,叫强度。外力是拉力时,叫抗拉强度;外力是压力时,叫抗压强度;外力是弯曲力时,叫抗弯强度。
A.
正确
B.
错误
查看完整题目与答案
【单选题】How many personnel are on board?
A.
5
B.
6
C.
7
D.
8
查看完整题目与答案
【单选题】S1: How many departments are there on board? S2:Three departments: Deck department, Engine department, Service department. Q:Besides deck and engine department,which department is there on board else?...
A.
Business department
B.
Service department.
C.
Technical department.
D.
Personnel department.
查看完整题目与答案
【单选题】当不可压气流连续流过一个阶梯管道时，己知其截面积【图片】,则其静压为
A.
P1=P2=P3
B.
P1>P2>P3
C.
P1
D.
P1>P3>P2
查看完整题目与答案
【单选题】RFN 有多少比特?
A.
20
B.
19
C.
18
D.
17
查看完整题目与答案
【多选题】How many components of logistics does the dialogue include?
A.
procurement
B.
maintenance
C.
distribution
D.
replacement of personnel and material
查看完整题目与答案
【单选题】当不可压气流连续流过一个阶梯管道时.己知其截面积Al=3A2则其流速为
A.
V1=9V2
B.
V2 ＝9V1
C.
V2=3V1
D.
V1=3V2
查看完整题目与答案
【简答题】金属材料抵抗外力作用而不致破坏的能力，叫（）。外力是拉力时，叫抗拉强度；外力是压力时，叫（）；外力是弯曲力时，叫（）。
查看完整题目与答案
【简答题】Unit seven-listen(1).wmv Mr.Wang: Mr.Smith, What kind of company do you work for? Mr.Smith: I am working for a (1) . It is one of the biggest manufacturers for computers in America with its (2) in Los...
查看完整题目与答案
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