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【单选题】
滴定终点的误差产生是由于A.
滴定终点与化学计量点不符
B.
滴定反应不完全
C.
试样不够纯净
D.
滴定管读数不准确
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举一反三
【单选题】Why did the French launch the military operation?
A.
To control Kidal airport.
B.
To protect the town.
C.
To fight against Islamist militants.
D.
To protect the capital Bamako.
【单选题】普通碳素结构钢按( )分为 A 、 B 、 C 、 D 四个质量等级。 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
A.
硫、磷杂质的含量由多到少
B.
硫、磷杂质的含量由少到多
C.
碳的含量由多到少
D.
硅、锰的含量由多到少
【单选题】Why did the author mention the 'massive one-day protest' in Paragraph 2?
A.
to show French people's determination to break with the past and move forward.
B.
to show students' dissatisfaction with the government's new law.
C.
to show French's inability to adjust to a changing world.
D.
to show the jobless, ethnic underclass's rebel against the system that excluded them.
【简答题】425里面有多少个25？
【简答题】普通碳素结构钢按( )分为A. B、C、D四个质量等级。 A.硫、磷杂质的含量由多到少 B. 硫、磷杂质的含量由少到多 C. 碳的含量由多到少 D. 硅、锰的含量由多到少
【单选题】question 2 Why did the French launch the military operation?
A.
To control Kidal airport.
B.
To protect the town.
C.
To protect the capital Bamako.
D.
To fight against Islamist militants.
【单选题】Why did the Natives ally themselves with the French first?
A.
the French were friendly and cooperative
B.
the French built permanent towns for them
C.
they believed that the French would defeat the British
D.
the French paid more money
【简答题】Why did Joey want to learn French?
【简答题】25里面有（ ）个十和（ ）个一。
【单选题】Why did Mafia give up her attempt to major in French?
A.
No scholarship for it is granted.
B.
The language is hard to learn.
C.
Jobs using French are rare.
D.
It takes one more year in college.
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