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【简答题】
Mozart was born on January 27th, 1756 and died on December 5 th, 1791. (1) When he was three, he often had lessons with his elder sister. His father took him through many different countries, where he played music for lots of people. But some people didn’t believe a little boy could write such beautiful music. They asked him to stay in a room all by himself for a week and somebody watched the room all the time . (2) In a week , he finished a new piece of music . After that, people believed that he could write beautiful music. Mozart died when he was still a young man. During his short life he studied music and taught music and played music and wrote music. Even by working so hard, he couldn’t make much money . Often he had to borrow money from his friends. (3) But his music made him happy and for more than two hundred years his music has made other people happy, too. 小题1:根据①填空,每空一词。 ____ ____ ____ ____ three,he often had lessons with his elder sister 小题2:对(2)处划线部分提问。 ____ ____did he finish a new piece of music? 小题3:将③处译成汉语。 ___________________________________________________________________-
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【单选题】ATS与ATP/ATO间采用( )的通信协议, 采用交叉冗余方式。
A.
RS232
B.
以太网
C.
RS422
D.
TCP/IP
【单选题】用分配柱色谱法分离A、B和C三组分的混合样品,已知它们的分配系数KA>KB>KC,则其保留时间的大小顺序应为( )
A.
A
B.
B
C.
A
D.
A>B>C
【单选题】用气液色谱法分离A、B和C三组分的混合样品,已知它们的分配系数 > > ,则其流出色谱柱的顺序为( )。
A.
、B 、C
B.
、 A 、 C
C.
C、B 、A
D.
B 、C 、 A
【简答题】双块式无砟轨道轨枕是通过()将混凝土块连接在一起。
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A.
正确
B.
错误
【判断题】拿来主义 用 “羡慕旧宅子”、“接受一切”、“欣欣然的蹩进卧室,大吸剩下的鸦片”的“废物”,比喻崇洋媚外、主张“全盘西化”的投降主义者。
A.
正确
B.
错误
【判断题】有意义学习的实质是符号所代表的新知识与学习者认知结构中的有关观念建立起非人为的、实质性的联系。
A.
正确
B.
错误
【单选题】分离鞣质单体成分的常用方法是
A.
膜分离法
B.
沉淀法
C.
柱色谱法
D.
两相溶剂分配法
E.
盐析法
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【单选题】半导体式应变片在外力作用下引起其电阻变化的因素主要是 。
A.
电阻率
B.
高通
C.
形变
D.
截面积
E.
长度
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