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问题 单项选择题 A型题

关于葡萄胎超声鉴别诊断，下列不相关的是（）。

A.子宫内膜癌

B.子宫肌瘤囊性变

C.子宫不全流产

D.子宫颈肥大

E.子宫腺肌病

答案

参考答案：D

解析：葡萄胎声像与过期流产、子宫肌瘤变性、子宫肌腺病、子宫内膜癌、卵巢浆液性囊腺瘤等容易混淆。

单项选择题

高压消毒后的物品，超过下列时间不能使用()

A．3天

B．5天

C．7天

D．10天

E．14天
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单项选择题

Both bus and tree topologies are characterized by the use of multipoint(1)．For the bus,all stations attach,through appropriate hardware(2) known as a tap,directly to a linear transmission medium, or bus. Full-duplex operation between the station and the tap allows data to be transmitted onto the bus and received from the(3).Atransmission from any station propagates the length of the medium in both directions and can be received by all other(4).At each end ofthe bus is a(5),which absorbs any signal, removing it from the bus．

空白（2）处应选择（）

A.processing

B.switching

C.routing

D.interfacing
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