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【单选题】
拆下与真空助力器单向阀相连的真空管，将真空助力器单向阀从助力器上拆下，把手动真空泵软管与真空助力器单向阀真空源接口相连。扳动手动真空泵手柄给单向阀加上50～70KPa的真空度。若真空能保持稳定，则说明（）。A.
真空助力器单向阀正常
B.
真空助力器正常
C.
真空助力器单向阀损坏
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举一反三
【简答题】road1.getText() 是什么意思 。
【单选题】Who did NOT come to see the Jade Emperor?
A.
the Demon of Chaos
B.
the Dragon King
C.
the Judge of the Dead
【单选题】What did the Laozi suggested to the Jade Emperor?
A.
Put Wukong in a swimming pool.
B.
Put Wukong in the sea.
C.
Put Wukong in a large pot and burned him up slowly.
D.
Sent him back to the earth.
【简答题】直齿圆柱齿轮正确啮合条件是什么？
【单选题】The Jade Emperor asked Wukong to be in charge of Royal_______Garden .
A.
Apple
B.
Peach
C.
Pear
D.
Fruit
【单选题】Why did the Jade Emperor want to punish Wukong?
A.
He became too powerful.
B.
He took his job very seriously.
C.
He caused too much trouble.
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