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【判断题】
形状阻力是轿车前部的正压力和车身后部的负压力所产生的压力差而引起的阻力 ,约占整个空气阻力的30%。
A.
正确
B.
错误
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举一反三
【单选题】All business persons must consider competition when deciding to start a business ______ the size of business
A.
no matter
B.
regardless of
C.
because of
D.
despite of
【单选题】我国各级人大都实行()。
A.
一院制
B.
两院制
C.
三院制
D.
四院制
【简答题】Dream is a story that a person “watches” or even takes part in during sleep. Dream s are imaginary, but they are related to real experience and needs in the dreamer’s life. They seem real while t...
【判断题】空心圆轴扭转时,横截面上没有切应力为零的点。
A.
正确
B.
错误
【判断题】消费活动中的角色有倡导者、影响者、决策者、购买者和使用者。
A.
正确
B.
错误
【单选题】S1:What's the security level at this port now?S2:Security level 1.S1:Then what should be done to prevent unauthorized persons from boarding the ship?S2:All access points have to be monitored continuou...
A.
Show their ID.
B.
Show their personal effects.
C.
Reserve in advance.
D.
Search their body.
【单选题】S1:What's the security level at this port now?S2:Security level 1.S1:Then what should be done to prevent unauthorized persons from boarding the ship?S2:All access points have to be monitored continuou...
A.
All the restricted areas must be locked.
B.
All the restricted areas must be secured.
C.
All the restricted areas must be monitored.
D.
Not all the restricted areas are required to be locked and secured.
【简答题】我国都实行()院制。
【简答题】Dream is story that a person " watches" or even takes part in during sleep. Dream s ar imaginary, but they are related to real experiences and needs in the dreamer's life. They seem real whil the...
【单选题】S1:What's the security level at this port now?S2:Security level 1.S1:Then what should be done to prevent unauthorized persons from boarding the ship?S2:All access points have to be monitored continuou...
A.
Not given.
B.
Level 1.
C.
Level 2.
D.
Level 3.
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