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问题 单项选择题

患者，女，48岁， * * 不规则出血月余，白带有臭味， * * 内能触到一肿块，约5cm×5cm×3cm，表面有脓苔，触之有出血，肿块周围可触及宫颈一周，宫体正常大小，双附件(-)，最可能的诊断是

A．子宫颈肌瘤

B．子宫内膜癌

C．子宫颈息肉

D．子宫颈癌

E．子宫黏膜下肌瘤

答案

参考答案：E

单项选择题

Each machine supporting TCP has a TCP transport entity, either a library procedure, a user process, or part of the kernel. In all case, it manages TCP streams and（）to the IP layer. A TCP（）accepts user data streams from local process, breaks them into pieces not exceeding 64KB, and sends each piece as a separate IP（）. When datagrams containing TCP data arrive at a machine, they are given to the TCP entity, which reconstructs the original byte streams.

The IP layer gives no guarantee that datagrams will be delivered properly, so it is up to TCP to time out and（）them as need be. Datagmms do arrive may well do so in the wrong order, it is also up to TCP to（）them into messages in the proper sequence.

so it is up to TCP to time out and（）them as need be.

A．reassemble

B．reduce

C．re-create

D．retransmit
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单项选择题 B1型题

参与酮体和胆固醇合成的酶是（）

A.果糖二磷酸酶-1

B.6-磷酸果糖激酶-1

C.HMG-CoA还原酶

D.糖原磷酸化酶

E.HMG-CoA合成酶
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