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【单选题】
产后血液系统的变化正确的是()
A.
产褥期处于低凝状态有利于恶露排出
B.
纤维蛋白原、凝血酶于产后1~2恢复正常
C.
红细胞沉降率于产后3~4降至正常
D.
血容量于产后24小时内增加至最大
E.
产褥期早期中性粒细胞及淋巴细胞均增加
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参考答案:
举一反三
【单选题】标注墙段长度和洞口宽度时,第一道尺寸线的第一个尺寸应该用()标注命令来标注。
A.
连续(DCO)
B.
基线(DBA)
C.
线性(DLI)
D.
快速(DIMQ)
【简答题】损益态图/利润图描绘了
【简答题】短文改错 I like riding my bike.Though it is not very new, but it is my best friend.I find very convenient to go anywhere with a bike.Riding gives me not only exercises but also pleasure.I use my bike almo...
【简答题】. I wrote to my parents once a week,____ I was too busy with my teaching work. A.it B.unless C.when D.as
【单选题】My suggestion is that Tom _____ to see a doctor at once.
A.
go
B.
goes
C.
will go
【简答题】设y=ex(asinx+bcosx)(a,b为任意常数)为某二阶常系数线性齐次微分方程的通解,则该方程为_________.
【单选题】标注墙段长度和洞口宽度时,第一道尺寸线的第一个尺寸应使用( )标注命令来 标注
A.
连续
B.
基线
C.
线性
D.
快速
【单选题】关于路由器,下列说法不正确的是( )
A.
路由器具有协议转换功能
B.
路由器是在第三层(网络层)实现互联
C.
路由器可以用于屏蔽网络间的广播风暴
D.
路由器已经成为网络间访问的瓶颈,因为路由器的时延要比交换机长得多
【单选题】My father and my mother have been married for 30 years, and never once ______ with each other.
A.
they have quarrelled
B.
did they quarrel
C.
had they quarrelled
D.
have they quarrelled
【单选题】My mother once helped me make up fairy tales for my dolls.
A.
正确
B.
错误
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