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【单选题】
在RSTP标准中,交换机直接与终端相连接而不是与其他网桥相连的端口定义为A.
快速端口
B.
备份端口
C.
根端口
D.
边缘端口
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反馈参考答案：
举一反三
【单选题】关于旋毛虫的描述,下列哪项是错误的?
A.
旋毛虫为一种动物源性寄生虫
B.
在同一宿主体内即可完成生活史全过程
C.
成虫寄生在宿主小肠内
D.
幼虫寄生在宿主肌肉内形成囊包
E.
感染阶段为幼虫囊包
【单选题】Only after I had reached the supermarket _______ that I had forgotten to take my purse with me.
A.
I had realized
B.
I realized
C.
I have realized
D.
did I realize
【简答题】阅读短文，判断正误，用“√”和“×”表示。 My name is Su Hai. I have a twin sister. Today is my birthday (生日). This is my big birthday cake. My parents give me a nice watch. Su Yang gets a nice radio. My grandparents give...
【单选题】I _______ yesterday. [ ]
A.
had my bike repair
B.
had my bike repairs
C.
had my bike repaired
D.
has my bike repaired
【简答题】My father died when I was a baby, and my mother had to go out to work. I was the only 36 so I had no brothers and sisters to play with at home. I used to play in the street with other children, or rid...
【单选题】关于旋毛形线虫的描述,下列哪项是错误的?
A.
旋毛虫为一种动物源性寄生虫
B.
在同一宿主体内即可完成生活史全过程
C.
成虫寄生在宿主小肠内
D.
幼虫寄生在宿主肌肉内形成囊包
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