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【多选题】
以下( )和( )是属于断电延时型时间继电器的开关。
A.
断电延时断开常闭开关
B.
断电延时断开常开开关
C.
断电延时闭合常闭开关
D.
断电延时闭合常开开关
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【单选题】请选择与单词“elegant”词义一致的选项
A.
雅致的,精致的
B.
分发
C.
发财致富
【简答题】Many college students today own personal computers that cost anywhere from $ 1 000 to perhaps $5 000 or more.【B1】______, it is not uncommon for them to purchase【B2】_______ costing another several hund...
【简答题】阅读理解。 Have you ever received a gift that was so clearly not your taste that you wondered if perhaps it had been handed to you by mistake? Worse, have you ever given a present and watched your friend l...
【单选题】请选择与单词“measure”词义一致的选项
A.
静止的
B.
测量vi
C.
水汽
D.
雅致的,精致的
【简答题】Life on land probably began about 430 million years ago, though it has existed in the water for perhaps as much as 3,000 million years. When we think of the first thing on land, we probably think of s...
【单选题】请选择与单词“choke”词义一致的选项
A.
雅致的,精致的
B.
使窒息
C.
富有经验的;复杂的,精密的
D.
运输业
【单选题】请选择与单词“elegant”词义一致的选项
A.
周期
B.
雅致的,精致的
C.
发财致富
D.
分发
【单选题】请选择与单词“multiply”词义一致的选项
A.
雅致的,精致的
B.
犯错vt.
C.
(粗略地)看一下,一瞥;扫视;闪烁
D.
乘法,倍增
【单选题】请选择与单词“multiply”词义一致的选项
A.
雅致的,精致的
B.
乘法,倍增
C.
(粗略地)看一下,一瞥;扫视;闪烁
D.
犯错vt.
【单选题】桨叶倾斜一定角度后的斜桨或推进式产生的流型为()
A.
轴向流动
B.
径向流动
C.
切向流动
D.
横向流动
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