题目

    Imagine one day, the water taps in your house stop running. You have to buy water from shops. And still there isn’t enough for everyone. Your mother has to save the family’s shower water to do other things. Would you be able to stand that kind of life?     Probably not. But that’s what kids in Yemen are experiencing. Experts said Yemen is going to be the first country in the world to run out of water. According to a report, the capital, Sanaa, will run out of drinking water as early as 2025.     Because of the shortage, the government often cuts the water supply. Han在有性生殖中，新生命开始于 （ ）A.卵细胞B.精子C.受精卵D.新生命诞生