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【单选题】
需要一组+5V的输出电压,可选下列哪个组合搭配。______A.
LM7906 输入电压为+9V
B.
LM7912 输入电压+6V
C.
LM7805 输入电压+9V
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举一反三
【单选题】—Are you good at all of your subjects, Mary? —No, my physics is not as ________ as English. [ ]
A.
good
B.
better
C.
best
D.
the best
【简答题】天正宿舍平面.pdf PDF图片清晰一点! 大家按自己的班级和学号,增加开间表示,画出一张建筑平面图。
【多选题】关于双胎妊娠的护理措施,下列做法正确的有(P74)
A.
孕妇应绝对卧床休息,禁止任何运动
B.
鼓励孕妇少量多餐,满足孕期营养需要
C.
增加铁、叶酸、维生素的供给
D.
指导孕妇做骨盆倾斜运动、局部热敷
E.
采取措施预防静脉曲张的发生
【单选题】Are you good at swimming? ( )
A.
All right.
B.
I like swimming.
C.
Thank you for your suggestion.
D.
I think I’m pretty good.
【简答题】Are you good at your hobbies? Do your hobbies bring as much pleasure as they used to? Listen to the following peasant carefully and choose the best answer from the four choices given to each question ...
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