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The most common forms of main drive used on deck auxiliaries are （）.
A . steam plants, electric motors and compressed air
B . diesel engine, hydraulic machinery and compressed air
C . steam plants, electric motors and hydraulic machinery
D . diesel engines, steam plants and hydraulic machinery
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On a Cisco network, which of the following modes of flow control are commonly used to mitigate the effects of busy data networks?（）
A . Source Quench.
B . Learning.
C . Buffering.
D . Windowing.
E . Cut-Through.
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The fittings used to secure a watertight door are known as（）.
A . clamps
B . clasps
C . dogs
D . latche
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Chomsky refers to the child’s innate endowment as（）,a set of principles which are common to all languages.
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Generally，（）are used as the track charts on the high sea，（）are used for harbors，inland waters and coastal areas．
A、Mercator charts; Loran charts
B、Admiralty charts; Routeing charts
C、large scale charts; small scale charts
D、small scale charts; large scale charts
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The welds used to join shell plates in flush construction are known as（）.
A . butt welds
B . seam welds
C . fillet welds
D . continuous weld
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（） are commonly used in mechanical-hydraulic governor（调速器） to sense engine speeds.
A . Bulbs
B . Bulks
C . Flyweights
D . Flywheel
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On commonly used ships,if two A√Cgenerators are operated in parallel, the load is distributed evenly by （）.
A . varying the D-Cexciter voltage
B . varying the reluctance of the air gap
C . regulating the speed of prime mover
D . shorting out part of the armature winding
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The welds used to attach stiffeners to a plate are known as（）.
A . butt welds
B . seam welds
C . fillet welds
D . plate weld
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Hydraulic pumps most commonly used in steering systems are of the （）.
A . lobe type
B . screw type
C . axial piston type
D . volute type
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（）are used for distress alerting as a rule.
A . SES/DSC/EPIRB
B . SART/radiotelephone
C . COSPAS-SARSAT
D . both B and C
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Routers can be used to integrate a variety of services. Which two common services are often specified by businesses？（）
A . Mitigation and Response
B . Fibre Channel over Ethernet
C . IP communications
D . Data Center Virtualization
E . VPN security
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Ethanol is commonly used as a gasoline supplement, but it is currently about（）methanol.
A . twice as expensive as
B . twice as more expensive as
C . as twice more expensive as
D . as twice expensive a
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Which two data intergrity algorithms are commonly used in VPN solutions?（）
A . HMAC-MD5
B . RSA
C . HMAC-SHA-1
D . DH1
E . DH2
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The two most common gases used in pneumatic system are （）
A、compressed air and nitrogen
B、helium and nitrogen.
C、oxygen and hydrogen
D、oxygen and acetylene
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As a narrative technique, what methods are often used to present flashbacks?
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What are the two most commonly seen narrative point of view used in fictional writing?
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_______ are the allegories commonly used to represent yin and yang.
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The most commonly used types of evidence are: ( )
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请填写衔接词，提示一下，第二空的意思是公认的 There are a number of drawbacks to people using Facebook as a way of communicating ____________ it is____________one of the most common social networking platforms for both individuals and businesses.
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You are connected to a pluggable database （PDB) as a common user with DBA privileges.The S
You are connected to a pluggable database (PDB) as a common user with DBA privileges.The STATISTICS_LEVEL parameter is PDB_MODIFIABLE. You execute the following:SQL ＞ ALTER SYSTEM SET STATISTICS_LEVEL = ALL SID = ‘*’ SCOPE = SPFILE;Which is true about the result of this command？（）
A. The STATISTICS_LEVEL parameter is set to all whenever this PDB is re-opened.
B. The STATISTICS_LEVEL parameter is set to ALL whenever any PDB is reopened.
C. The STATISTICS_LEVEL parameter is set to all whenever the multitenant container database (CDB) is restarted.
D. Nothing happens; because there is no SPFILE for each PDB, the statement is ignored.
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根据以下资料，回答1~5题。 Solar panels and windmills are commonly reported as symbols of _
根据以下资料，回答1~5题。<img src='https://img2.soutiyun.com/ask/uploadfile/11202001-11205000/7d65d066a3e3df00b281edee6e8be49d.jpg' />Solar panels and windmills are commonly reported as symbols of _______
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The documents commonly used in carriage of goods by sea are bills of ladin9，sea way— bills，cargo manifests，booking notes and delivery orders etc．Please point out the（） serve as a document of the enabling the goods tO be transferred from the shipper to the consignee or any other party by endorsement．
<img src='https://img2.soutiyun.com/ask/uploadfile/2499001-2502000/581e5a4bf76ca9a7fbd5e003483137cf.gif' />
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They are commonly regarded as the most promising singers.
A．他们通常被看做最有希望的歌手。
B．他们是普通歌手却被看做最有希望的签约者。
C．他们通常被看做最有希望的签约者。
