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【多选题】
城镇污水处理厂位置的选址宜符合一定的条件,下列要求中不正确的是( )A.
在城市水源的下游并符合对水系的防护要求
B.
在城市冬季最小频率风向的上风向
C.
应有方便的交通.运输和水电条件
D.
与城市工业区保持一定的卫生防护距离
E.
靠近污水、污泥的排放和利用地段
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【简答题】在DNA半保留复制过程中，两条新合成的链为什么是半不连续性合成的?
【多选题】Which two statements about the bgp deterministic-med and bgp always-compare-med commands are true？（）
A.
The bgp deterministic-med command is used to influence the BGP route selection process to cause the MED attribute to have higher precedence over the AS path length
B.
The bgp always-compare command is used to influence the BGP route selection process to cause the MED attribute to have higher precedence over the AS path system
C.
Enabling the bgp deterministic-med command ensures the comparison of the MED variable when choosing routes advertised by different peers in the same autonomous system.
D.
Enabling the bgp always-compare-med command ensures the comparison of the MED variable for paths from neighbors in different autonomous systems.
E.
The bgp deterministic-med and bgp always-compare-med commands are enabled by defult.
【多选题】下列有关深静脉血栓形成（DVT）的叙述正确的是
A.
单侧小腿、踝部肿胀是小腿 DVT常见的征象
B.
存在 DVT并不一定同时存在PTE
C.
存在 PTE一定同时存在DVT
D.
DVT和PTE可以说是同一种疾病在不同部位的两种表现形式
【简答题】Sino Med系统涵盖的数据库有哪些?Sino Med系统提供的检索途径有哪些?
【单选题】MV CASABIANCA ordered the MV RADIANT MED to wait for her and the MV RADIANT MED acknowledged the message stating that speed was being reduced as far as possible. This sentence says that ________ ．
A.
MV RADIANT MED was told by MV CASABIANCA to reduce her speed
B.
MV CASABIANCA was told by MV RADIANT MED to reduce her speed
C.
MV CASABIANCA was reducing her speed but she could not wait for MV RADIANT MED
D.
MV RADIANT MED was reducing her speed but she could not wait for MV CASABIANCA
【单选题】关于DVT预防的必要性说法错误的是：( )
A.
肺栓塞中80%存在DVT
B.
DVT中50%并发肺栓塞
C.
预防致命性肺栓塞的关键在于阻止DVT形成
D.
肺栓塞是DVT的先兆
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