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同义句转换。 1. He liked listening to music before, but now he doesn't like it. He _____ to ______ listening to music. 2. We were surprised that he won the first prize in the English competition. ______ our ______, he won the first prize in the English competition. 3. He is such a good boy that we all like him. He is good a boy we all like him. 4. His mother looked after her son as well as possible. His mother looked after her son as well as _____ _____. 5. He decided that he didn't go to Wuhan. He decided go to Wuhan. 6. My father doesn't smoke any longer now. My father ______ ______ now. 7. Tom is 15 years old. Tom is ______ _______ boy. 8. His brother stopped playing cards. His brother ______ _____ playing cards. 9. In the end he thought of a good idea. _____ _____ he came up with a good idea. 10. He has decided to study hard this term. He has ____ ____ to study hard this term.
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【单选题】当输入电压为正弦信号时,如果 PNP 管共发射极放大电路发生饱和失真,则输出电压波形将 ( ) 。
A.
正半周削波
B.
负半周削波
C.
不削波
【多选题】全站仪放样道路曲线,主点测设可采用()方法。
A.
极坐标法
B.
坐标放样法
C.
角度交会法
D.
距离交会法
【简答题】某制冷设备工作在温度为 306K 的热源和温度为 238K 的冷源之间,为了使冷库保持原 238K ,工质从温度为 238K 的冷源吸取热量 1.23J/s ,求: 1 )制冷设备的最大制冷系数为多少; 2 )加给制冷设备的最小功率为多少。
【判断题】列车车次的编定规则是:跨局城际动车组旅客列车C1-C1998。
A.
正确
B.
错误
【单选题】王国维称道晚清_________《鹊踏枝》数阕,郁伊惝恍,令人不能为怀。
A.
朱祖谋
B.
王鹏运
C.
况周颐
D.
郑文焯
【判断题】电解电容是电容器的一种原件。
A.
正确
B.
错误
【单选题】电容是一种( )的器件。
A.
供能
B.
耗能
C.
无法确定
D.
储能
【简答题】编定列车车次是如何规定的?
【判断题】列车车次的编定规则是:管内城际动车组旅客列车C2001-C9998。
A.
正确
B.
错误
【多选题】建设工程风险大主要表现在( )。
A.
实施阶段的投机风险大
B.
风险因素和风险事件多
C.
风险因素和风险事件的发生概率大
D.
风险因素和风险事件的损失后果较为严重
E.
同一风险事件,对建设工程不同参与方的后果是相同的
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