我国食物中维生素B1的主要来源是
A.肉类
B.蛋类
C.谷类
D.蔬菜
E.奶类
第1题
A.A
B.B
C.C
D.D
第2题
A.A
B.B
C.C
D.D
第3题
A.A
B.B
C.C
D.D
第4题
A.A
B.B
C.C
D.D
第6题
You perform an in-place upgrade on a Microsoft Windows XP Service Pack 2 (SP2) computer to Windows Vista.After the upgrade, you attempt to run a custom application. You receive the following error message: This application is only designed to run on Windows XP or later.”You need to run the application on Windows Vista.What should you do?()
A.A
B.B
C.C
D.D
第7题
A.Repair the application.
B.Use Programs and Features in the Control Panel to change the application.
C.Copy the application shortcut to the Start menu for All Users.
D.Assign the Full Control permission to the application shortcut to the Everyone group.
第9题
A.A
B.B
C.C
D.D
E.E
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