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【判断题】
根据剪应力互等定律,一点的应力独立的量有6个,分别是3个正应力和3个剪应力。A.
正确
B.
错误
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反馈参考答案：
举一反三
【多选题】在Windows 7中,要改变窗口大小,可以使用( )的办法。
A.
选择控制菜单的“大小”命令,输入窗口的长和宽的值,然后单击“确定”按钮
B.
选择控制菜单的“大小”命令,用方向键调整边框,然后按Enter键
C.
将鼠标指针放在窗口边框上,使之变成双向箭头,然后拖动边框
D.
用鼠标单击窗口边框
【多选题】在Windows7中,要改变窗口大小,可以使用( )的办法。
A.
选择控制菜单的“大小”命令,输入窗口的长和宽的值,然后单击“确定”按钮
B.
选择控制菜单的“大小、”命令,用方向键调整边框,然后按Enter键
C.
将鼠标指针十放在窗口边框上,使之变成双向箭头,然后拖动边框
D.
用鼠标单击窗口边框
【单选题】There are few governments who are prepared to argue against the idea of sustainable development.
A.
Y
B.
N
C.
NG
【单选题】(The) veterinarian has (examined) several dogs, two of (those) are (believed) to be developing rabies.
A.
The
B.
examined
C.
those
D.
believed
【单选题】Teachers and other specialists in early childhood education recognize that children develop at different rates. Given anything that resembles a well-rounded life — with adults and other children to li...
A.
letter names and sounds are deliberately taught to them
B.
parents read stories very often without frustrating the children with questions
C.
they have never learned letters
D.
they play with letters unconsciously
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