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【判断题】
由联合分布可以决定边缘分布，反过来，由边缘分布也可以决定联合分布。A.
正确
B.
错误
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【单选题】What should do if you see someone at a business event that you have met before, but you can’t remember their name?
A.
ignore the person
B.
introduce yourself, apologize for not remembering their name but say where you met them before
C.
walk up to him or her and say, “Hi, mate!”
D.
try to find out the person’s name from others at the event and then introduce yourself
【单选题】在一个分页存储管理系统中,某进程的页表如下所示: 页号 块号 0 2 1 1 3 3 4 7 若页面大小为4KB,则逻辑地址0所对应的物理地址是()。
A.
8192
B.
4096
C.
2048
D.
1024
【简答题】请求分页存储管理系统中,假设某进程的页表内容如下表所示(其中状态位为 1 ,表示该页已调入内存;为 0 ,表示该页未调入内存)。 页号 块号 状态位 0 200H 1 1 — 0 2 105H 1 页面大小为 4KB ,一次内存的访问时间是 80ns ,一次快表的访问时间是 10ns ,处理一次缺页的平均时间为 100ns (含更新快表和页表的时间),分配给该进程的物理块数固定为 2 ,采用最近最...
【单选题】(379)下列关于图示丝锥的说法中正确的是( )?
A.
用该丝锥攻螺纹时没有切屑产生。
B.
它是左旋丝锥。
C.
它的柄是加固了的。
D.
它仅适用于通孔。
E.
它可以促进切屑向上直到柄部。
【单选题】关于鼻丘封闭疗法下列错误的是哪一项:( )
A.
治疗单纯性和变应性鼻炎
B.
病人取坐位,头略后仰
C.
用鼻镜撑开前鼻孔,暴露鼻丘
D.
针尖刺入鼻丘黏膜下
E.
缓慢注入药液0.4ml
【单选题】What should you do if you see someone at a business event that you have met before, but you can’t remember their name?
A.
ignore the person
B.
introduce yourself, apologize for not remembering their name but say where you met them before
C.
walk up to him or her and say, "Hi, mate!"
D.
try to find out the person's name from others at the event and then introduce yourself.
【单选题】What should you do if you see someone at a business event that you have met before, but you can’t remember their name?
A.
ignore the person
B.
walk up to him or her and say, “Hi, mate!”
C.
introduce yourself, apologise for not remembering their name but say where you met them before
相关题目：
【单选题】关于鼻丘封闭疗法下列错误的是哪一项:( )
A.
治疗单纯性和变应性鼻炎
B.
病人取坐位,头略后仰
C.
用鼻镜撑开前鼻孔,暴露鼻丘
D.
针尖刺入鼻丘黏膜下
E.
缓慢注入药液0.4ml