下列四个函数中，既是偶函数又在（0，＋∞）上为增函数的是（ ）
Howeggs do you want? A. much B. many
There isapple in the bag. A. a B. an C. one
Now you can have some sweetssome bread. A. and B. have C. want
I can’t. It’s very dark. A. sea B. see C. look
–Can I come in? -. A. Sorry, you can’t. B. Yes, of course.
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