题目

在不同温度下,水达到电离平衡时c(H+)与c(OH﹣)的关系如图所示,下列说法中正确的是( ) A.100℃时,pH=12的NaOH溶液和pH=2的H2SO4溶液恰好中和后,所得溶液的pH等于7 B.25℃时,0.2 mol/L Ba(OH)2溶液和0.2 mol/L HCl溶液等体积混合,所得溶液的pH等于7 C.25℃时,0.2 mol/L NaOH溶液与0.2 mol/L乙酸溶液恰好中和,所得溶液的pH等于7 D.25℃时,pH=12的氨水和pH=2的H2SO4溶液等体积混合,所得溶液的pH大于7阅读理解Do you like sports? Here is what three students say about their sports.Yes, I do. My favorite sport is tennis. I have three tennis bats. I love the game. I think it's relaxing and fun. I often play tennis with my cousin, David. He loves the game, too. But he can't play it well. He thinks it's too difficult.— AliceYes, I do. I love sports and I'm good at them. I'm in the school basketball team (队). On weekdays we play basketball from 4:00 pm to 6:00 pm. We play it on Saturday, too. My favorite basketball star is Kobe. He is a great NBA basketball player. I want to be a basketball player like him.— EricNo, I don't. I don't play sports. I think they're boring. I like playing computer games. My parents say it's not healthy. They say I will be fat. They want me to do sports with them.— Cindy(1) doesn't like sports.A.AliceB.DavidC.CindyD.Eric(2)Eric plays basketball for ____________ hours on weekdays.A.twoB.threeC.fourD.six(3)Which(哪一个) is right?A.David can't play tennis well.B.Alice's favorite sport is basketball.C.Kobe is Cindy's favorite basketball star.D.Cindy thinks computer games are boring.
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