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【单选题】
孕妇,30岁。妊娠37+5,因突发持续性腹痛,伴阴道流血就诊。腹部检查:子宫硬如板状,有压痛。该孕妇最可能A.
胎盘早剥
B.
羊水栓塞
C.
前置胎盘
D.
先兆流产
E.
流产
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【单选题】No matter how long you consider yourself, there is always someone looking up to you _____ they were that high. [ ]
A.
to wish
B.
wished
C.
wishing
D.
having wished
【简答题】青霉素类抗生素共有的化学结构是 , 作用靶位是 ,从而抑制细菌 的合成,属繁殖期杀菌剂。
【简答题】Modern science suggests that a healthy lifestyle matters much to how long you can live and how well you live. Here are some tips for you to form a healthy lifestyle. Keep a scientific diet. Keep in mi...
【单选题】采用动态分区存储管理系统中,主存容量为55MB,初始状态全空,采用最佳适应算法,内存的分配和回收顺序为:分配15MB,分配30MB,回收15MB,分配8MB,分配6MB,此时主存中最大的空闲分区大小是( A );若采用的是首次适应算法,则应该是(10MB)。
A.
(1)7MB
B.
(2)9MB
C.
(3)10MB
D.
(4)15MB。
【单选题】— Would you mind telling me how long you ____ to John? — Nearly two years. [ ]
A.
married
B.
have married
C.
got married
D.
have been married
【简答题】青霉素类抗生素共有的化学结构是 , 作用靶位是 胞浆膜上特殊蛋白PBPs ,从而抑制细菌 的合成,属 期杀菌剂。
【单选题】In planning a vacation, you need to decide on many things—where you will go, how long you will stay, what hotel you will stay at, what you want to see, and how much money you will spend. Travel packag...
A.
family fun
B.
sightseeing
C.
luxury accommodations
D.
car driving
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