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阅读理解What is going to happen in the future? Will robots control our planet? Will computers become smarter than us? Not likely. But here are some things that scientists say that most likely to happen in 10-30 years from now, according to the BBC. Bionic(仿生的)EyesThey're no longer something only in a science fiction movie. People who are blind may have a chance to see things clearly by wearing bionic eyes. Digital MoneyWe used to pay with cash-for everything we bought. Now we can use We chat Pay(微信支付) or Alipay(支付宝) to shop. Money is spent without seeing it. That means 小刚和小强在争论一道几何问题，问题是射击时为什么枪管上有准星．小刚说：“这还不简单，老师上课时不是讲过了吗，过两点有且只有一条直线，所以枪管上才有准星．”小强说：“过两点有且只有一条直线我当然知道，可是若将人眼看成一点，准星看成一点，目标的某一位置看成一点，这样不是有三点了吗，既然过两点有且只有一条直线，那弄出第三点又为什么呢？”聪明的你能回答小强的疑问吗？