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【单选题】
PTC型半导体温度传感器的特性是______。A.
阻值随着温度上升而增加
B.
阻值随着温度上升而减小
C.
灵敏度比金属热电阻小
D.
电阻温度系数
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举一反三
【单选题】The staff in the kitchen has ________ the message that a customer wanted a special dish.
A.
received
B.
ordered
C.
accepted
D.
pointed
【简答题】原始状态时断开,线圈通电后闭合的触头称为( )触头。
【简答题】完形填空。 I didn't cry when I leamed I was the parent of a mentally disabled child. When Kristi was old enough to 1 school,we sent her to a kindergarten (幼儿园). During Kristi's second year in school,she f...
【单选题】患者女性，30岁。已婚3年未孕就诊。月经正常，婚后性生活正常、未避孕。妇科检查未见异常，有慢性盆腔炎病史。为明确不孕的病因，患者宜采取的检查是（）
A.
腹腔镜
B.
宫腔镜
C.
阴道镜检查
D.
妇科内分泌检查
E.
输卵管通液术
【多选题】（2014.12） 31. The staff in their customer service are always helpful, friendly, (cheer) _________ and eager to help. 32. Once we have received the goods back from you, we (give) _______ you a refund f...
A.
cheerful
B.
will give
C.
more expensive
D.
equipment
E.
was held
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