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【单选题】
已知M O 离子可与R 离子作用，R 被氧化为R单质，M O 的还原产物中，M为+3价；又如c(M O )='0.3' mol·L 的溶液100 mL可与c(R )='0.6' mol·L 的溶液150 mL恰好完全反应，则n值为A.
4
B.
5
C.
6
D.
7
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皮皮学刷刷变学霸
举一反三
【简答题】I crossed the street to avoid____(meet) him, but he saw me and ran towards me.
【简答题】A．He will hold the party on time. B．He will hold the party ahead of time. C．He will put off the time. D．He will cancel the party.
【单选题】-Is your uncle a Party member? -Yes, he _____ the Party four years ago. He _____ a Party member for four years. [ ]
A.
has joined, has been
B.
was joined, is
C.
joined, has become
D.
joined, has been
【单选题】在讨论安全气囊系统的检修与诊断时,甲说可使用交流电压表来诊断安全气囊系统;乙说可使用探针式12V测试灯来诊断安全气囊系统。试问谁正确?
A.
甲正确
B.
乙正确两人均正确两人均不正确
C.
乙正确两人均正确
D.
两人均不正确
【单选题】I crossed the street to __________ meeting him, but he saw me and came running towards me.
A.
avoid
B.
allow
C.
forget
D.
remember
【单选题】-Is your father a Party member ? - Yes, he the Party three years ago. He a Party member for three years .
A.
has joined; has been
B.
joined; has been
C.
joined ; was
D.
was joined; is
【单选题】在讨论安全气囊系统的检修与诊断时,甲说:可使用交流电压表来诊断安全气囊系统;乙说可使用探针式12v测试灯来诊断安全气囊系统。试问谁正确
A.
甲正确
B.
乙正确
C.
两人均正确
D.
两人都不正确
【单选题】I crossed the street to avoid _______ him.
A.
to meet
B.
meeting
C.
having met
D.
being met
【单选题】more or less
A.
a. approximately
B.
b. generally speaking
C.
c. exact details
D.
d. to put up with it
E.
e. small things
F.
f. to be patient and find out later
G.
g. the wrong way round
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