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【多选题】
一水平放置的双伸出杆液压缸,采用三位四通电磁换向阀,要求阀处于中位时,液压泵卸荷,且液压缸浮动,其中位机能用( );要求阀处于中位时,液压泵卸荷,且液压缸闭锁不动,其中位机能用( )。
A.
O 型 H 型
B.
M 型
C.
Y 型
D.
H 型
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【单选题】What does"this endeavor"in Line 116, Paragraph 24 refer to?
A.
Assuring a more fruitful life for all mankind.
B.
Serving the country by doing whatever it asks.
C.
Defending freedom when there is danger of losing it.
D.
Forging a global alliance against the common enemies.
【单选题】\"This line\" in Paragraph 3 refers to A.the line from the Tower Gateway
A.
/"This line/" in Paragraph 3 refers to A.the line from the Tower Gateway Station to Poplar.
B.
the line from Poplar to Island Gardens.
C.
the Millwall Extension Railway.
D.
the line from Poplar to Stratford.
【单选题】After becoming a leader in the Student Nonviolent Coordinating Committee, John Lewis was invited to_______.
A.
speak at the March on Washington
B.
run for Congress
C.
be ordained as a Baptist minister
【简答题】A.Rescuers had saved 32 whales this time. B.50 whales died after becoming stranded last week. C.70 whale stranding incidents have happened since 1900. D.None of these incidents' involves more than 200...
【单选题】在链式请求方式下,若有N个设备,则( )
A.
有N条总线请求线
B.
无法确定有几条总线请求线
C.
只有一条总线请求线
D.
以上都不正确
【简答题】A. direct contact with infected blood B. from 2 to 15 or more years after becoming infected C. without symptoms D. acquired immuno-deficiency syndrome E. live in the same room with an HIV-infected roo...
【简答题】After becoming a member of the WTO, China will open more service areas step by step.
【简答题】After becoming a member of the WTO, China will open more service areas step by step.
【单选题】After becoming a member of Greener China, he feels _______ than before. [     ]
A.
busy
B.
busier
C.
the busier
D.
the busiest
【单选题】Shortly after becoming Tang Sanzang’s disciple, Monkey Kills six bandits, which signifies that Monkey .
A.
is cruel
B.
is not under control
C.
is not qualified for being a disciple.
D.
destroys sensual and spiritual temptations
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