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【单选题】
2010年4月13日,“中原风”民间传统文化展演活动在郑州拉开序幕。舞狮、舞龙、大鼓、剪纸、糖人、丝绢烙画等非物质文化遗产参演,还有一些几近失传的艺术门类也在展演中亮相。该活动的举办() ①有利于展示中原民间文化艺术的独特魅力 ②有利于传统文化的继承 ③目的是全面继承传统文化 ④主要是为了开发旅游资源
A.
①②
B.
①④
C.
②③
D.
③④
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【多选题】下列有关隔离开关的说法正确的是( )
A.
隔离开关是一种没有灭弧装置的开关电器
B.
在合闸状态下能可靠地通过正常工作电流
C.
能在规定时间内承受故障短路电流和相应电动力的冲击
D.
隔离开关一般只能在断路器已将电路断开的情况下才能接通或断开
【单选题】—I went to the park yesterday morning. — _______. But we didn't see you. [     ]
A.
So did we
B.
So we did
C.
Neither were we
D.
Neither we were.
【单选题】一555定时器电路及输出波形如下图所示。计算脉冲信号在频率。
A.
10Hz
B.
100Hz
C.
1000Hz
D.
200Hz
【单选题】We often see the situation of employers_____________ people they want, while job seekers can't find the employers they want.
A.
having difficulty finding
B.
to have difficulty finding
C.
having difficulty to find
D.
to have difficulty to find
【单选题】We want the pandas first. [     ]
A.
see
B.
sees
C.
to see
D.
seeing
【判断题】()单项客用消耗物品的消耗定额=客房出租率*每间天客房的配置数*平均消耗率
A.
正确
B.
错误
【判断题】( )单项客用消耗物品的消耗定额=客房出租率x每间天客房的配置数x平均消耗率。
A.
正确
B.
错误
【单选题】The furry panda is so _ that we want to see it again. [     ]
A.
ugly
B.
terrible
C.
lively
【单选题】----- What do you think of the performance we saw last night, Jenny? ----- ______ I want to see it a second time.
A.
That couldn’t be worse!         
C.
It could be better C.That couldn’t be better!           C.It was just so-so.
【判断题】()单项客用消耗物品的消耗定额=客房出租率X每间天客房的配置数X平均消耗率。
A.
正确
B.
错误
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