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【单选题】
如果用户user01正工作在/usr/local目录中,然后他转去自己的用户主目录下的目录data中进行了一些工作,现在想转回之前工作的/usr/local目录,应该使用如下哪个命令?A.
cd -
B.
cd ../..
C.
cd usr/local
D.
cd ~/usr/local
E.
cd
F.
cd .
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举一反三
【简答题】Hotel Room Service includs two parts: Receiving Room Service and____.
【单选题】The national public health service includes two parts:
A.
primary health care and National Insurance
B.
National Insurance and Social Security
C.
senior hospital services and Social Security
D.
primary health care and senior hospital services
【单选题】Which of the following statements about service parts logistics is false?
A.
customer expectations for service parts logistics continues to increase
B.
some organizations outsource their service parts logistics to companies that specialize in this area
C.
service parts logistics creates a variety of potential challenges for logisticians
D.
the worldwide economic slowdown of 2008 and 2009 caused a decreased emphasis on service parts logistics
【判断题】One logistical challenge with service parts logistics is that it can be extremely difficult to forecast the demand for the necessary parts.
A.
正确
B.
错误
【简答题】人工喂养的注意事项有哪些？
【简答题】人工喂养的注意事项是什么？
【单选题】筒体结构施工中,内筒与外筒(柱)之间的楼板跨度常达( )一般采用现浇混凝土楼板或以压型钢板,混凝土薄板作永久性模板的现浇叠合楼板,也有采用预制肋梁现浇叠合楼板的。
A.
8-12m
B.
10-14m
C.
18-20m
D.
6-10m
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