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【单选题】
造成机油压力过低的原因之一是( )。A.
机油粘度过高
B.
滤清器堵塞
C.
机油泵磨损过甚
D.
溢流阀弹簧过硬
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【简答题】某溶液中含Cl - 和I - 个0.10 mol •L -1 ,通过计算说明能否用AgNO 3 溶液将Cl - 和I - 分开
【简答题】某溶液中含Cl - 和I - 个0.10 mol •L -1 ,通过计算说明能否用AgNO 3 溶液将Cl - 和I - 分开
【单选题】Where is the woman going?
A.
She is going to a station.
B.
She is going to a food shop.
C.
She is going to a hospital.
【简答题】A．She is going to study. B．She is going to teach. C．She is going to travel. D．She is going to visit friends.
【简答题】A．She is going to stay at home. B．She is going to fix the telephone. C．She is going to call the telephone company. D．She is going to work in the telephone company.
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