皮皮学，免费搜题
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搜题
【单选题】
典型系统的超调量越大，反映出系统（ ）
A.
谐振峰值越小
B.
阻尼比越大
C.
闭环增益越大
D.
相角裕度越小
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【单选题】You’re going to hear four short passages. Listen carefully and write down the signal word(s) in each passage. Then choose a, b, c or d to indicate the function of the signal word(s) used in each of th...
A.
leading towards a statement that is a contrast or an opposite to what has been said
B.
summarizing what has been said
C.
setting out the stages of the talk
D.
suggesting cause and effect
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【单选题】You’re going to hear four short passages. Listen carefully and write down the signal word(s) in each passage. Then choose a, b, c or d to indicate the function of the signal word(s) used in each of th...
A.
leading towards a statement that is a contrast or an opposite to what has been said
B.
summarizing what has been said
C.
setting out the stages of the talk
D.
suggesting cause and effect
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【单选题】You’re going to hear four short passages. Listen carefully and write down the signal word(s) in each passage. Then choose a, b, c or d to indicate the function of the signal word(s) used in each of th...
A.
leading towards a statement that is a contrast or an opposite to what has been said
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C.
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【单选题】Which signal word is use to lead examples?
A.
compared with
B.
for instance
C.
all of the others
D.
in summary
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【单选题】Which is the signal word for example clue?
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such as
B.
including
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for instance
D.
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【简答题】快读阅读 1 : 天气转凉,已有很多家庭开始让空调 “ 休息 ” 了。空调科学保养能延长寿命,有利于来年更好地工作。 室外机用清水冲洗干净晾干后 , 用防水材料制成的外罩套起来, 1 被雨水、尘土侵蚀及阳光曝晒。分体式空调器的连接管也要避免日晒雨淋,特别对软管连接头处不要 2 移动、敲打、堆放物品,避免造成连接不良,发生制冷剂泄漏故障。
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【单选题】Which one is the time signal word?
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【单选题】You’re going to hear four short passages. Listen carefully and write down the signal word(s) in each passage. Then choose a, b, c or d to indicate the function of the signal word(s) used in each of th...
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leading towards a statement that is a contrast or an opposite to what has been said
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【单选题】"静脉石"的形成是静脉内的血栓发生了( )
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机化
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钙化
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脱落
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【判断题】当犬细小病毒检测试纸反应进行时,你会看到黑红色的条带在试纸中间的结果窗中移动 ( 若没看到液体在试纸结果窗流动,请用手按压卡壳 “T” 与 “S” 之间的位置,直至看到有样品流上去为止。
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