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【判断题】
质量管理创新是企业的核心竞争力之一。A.
正确
B.
错误
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举一反三
【简答题】A．She hasn't learned French. B．She can speak several foreign languages including French. C．She can speak either German or French. D．She speaks neither French nor German.
【单选题】Why is the woman applying for the new job?
A.
She can meet a lot of Japanese.
B.
She can speak Japanese.
C.
She can go to Japan.
D.
The company can let her travel by train.
【单选题】用重铬酸钾法测定矿石中铁含量时，常于试液中加入硫磷混酸，其目的是（）
A.
增加溶液中H-离子的浓度
B.
形成缓冲溶液
C.
使Fe3+生成无色稳定的配合物，减少终点误差
D.
增大Fe3+/Fe2+电对电压，减小化学计量点附近的电位突跃，使反应更完全
【简答题】有一块长35cm,宽25cm的长方形铁皮,在它的四个角上分别剪去一个名叫相等的正方形后, 正好 折成一个深5cm的无盖铁盒。这个铁盒的容积是( )cm 3 。
【单选题】Betty is from America, she can speak English she can’t speak Chinese. [ ]
A.
and
B.
so
C.
but
【简答题】Sarah is from France. She lives in Paris. She can speak French and English, but she can’t speak Chinese. She has a pen pal in the United States. Her name is Jane and she lives in New York. Sarah’s fav...
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