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Directional intake ports in diesel engines are used to （）.
A . reduce air charge turbulence
B . induce air swirl
C . deflect hot combustion gas away from the valves
D . oppose the effects of piston induced squish
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Which three are used in configuring Call Manager dial plans? （）
A . route list
B . route group
C . gateway list
D . route patter
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Which three are used in configuring Call Manager dial plans？ （）
A . route list
B . route group
C . gateway list
D . route patter
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What are the "bound IP addresses" used for in LDP？（）
A . For each such address and mask /32, one label binding is created.
B . As the TCP endpoint, IP addresses are used by the LDP session.
C . These addresses are used to find the label binding to put in the LFIB, by looking up these IP addresses in the routing table.
D . These addresses are used for penultimate hop popping (PHP) when forwarding packets to the next router directly.&e
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Pipes made of plastic are now widely used in building as they are light and do not become （）in water.
A、ripe
B、instant
C、rotten 腐蚀的，恶臭的
D、mature
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Given the fully-qualified class names： com.foo.bar.Dog com.foo.bar.blatz.Book com.bar.Car com.bar.blatz.Sun Which graph represents the correct directory structure for a JAR file from which those classes can be used by the compiler and JYM？（）
A . Jar A
B . Jar B
C . Jar C
D . Jar D
E . Jar E
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Operational amplifiers, used primarily in analog circuits, are characterized by（）
A . high input impedance, high gain and low output impedance
B . high input impedance, high gain and high output impedance
C . low input impedance, low gain and high output impedance
D . low input impedance, high gain and low output impedance
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You are using Oracle Database 10g. The LOG_ARCHIVE_FORMAT parameter is set to ’LOG%t_%s_%r.dbf’. Why is %r used in the file name format？（）
A . to uniquely identify the archived log files with the restore operation
B . to uniquely identify the archived log files with the redo log group number
C . to uniquely identify the archived log files for each incarnation of the database
D . to uniquely identify the archived log files with the number of recovery operations performed
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Isobars on a synoptic chart are useful in predicting（）.
A . temperature
B . dew point
C . wind velocity
D . relative humidity
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In towing，heaving lines are used for（）.
A . passing a tow bridle to the tug
B . passing a messenger line
C . heaving in the tow bridle
D . service lines with rocket line thrower
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Which two are valid locking levels that are used by transactions in an Oracle database？（）
A . row level
B . block level
C . object level
D . schema level
E . database level
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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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In towing，chocks are used to（）.
A . protect the towline from chafing
B . secure the end of the towline on the tug
C . stop off the towline while retrieving it
D . absorb shock loading on the towline
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Apartments are usually used in America, while ______ are usually used in UK.
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Dreams are useful in career orientation because
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Which of the following graphs are usually used to compare proportions?
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Visual devices such as graphs and tables are a convenient way of displaying large quantities of information in a form that is easy to understand.
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When thing in the language,you are using the language in an active way.
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When describing graphs and trends, the line graphs, bar graphs, _________are the most favorable options.
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Adjectives and verbs are often used to convey compliment message in English, while adjectives, adverbs and verbs are often used in Chinese.
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Why are bullocks used to provide energy in India？
A Because bullocks have long been used by Indian people
B Because bullocks walk slowly and are easy to control
C Because there are few non-working bullocks in India
D Because there is not enough oil in India
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The Greens used to live in London and now they are used to_________（live）in Beijing.
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_____ are widely used in the current world.
A、The computers
B、Computers
C、A computer
D、An computer
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There are mainly five types of essay questions in CET 4&6 writing test, including a given outline, an imaginary situation, a picture, a graph, or a topic. In these question types, you are supposed to be able to:
A、describe your own experiences, feelings, reflections and an event;
B、describe a simple graph or picture;
C、express personal opinions on a familiar topic;
D、write for everyday situations (advertisement or letter etc.)
