下列函数中,其图象既是轴对称图形又在区间(0,+∞)上单调递增的是( )
A:y= 1x
B:y=﹣x2+1
C:y=2x
D:y=lg|x+1|
制作临时装片时,必须让盖玻片的一边先接触水滴,然后再缓缓地盖上,其目的是( )
将正确的图片和句子配对
① It's yellow. It's small. It goes “Peep,peep”.
② It's fat. It goes “Oink… oink”.
③ It's big. It goes “ Moo…moo”.
④ It's thin. It's in the tree.
⑤ It's yellow. It goes “ Quack …quack”.
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