问题
选择题
酵母菌在有氧和无氧的情况下都能分解葡萄糖，释放能量，两种情况下，共有的产物是．（ ）
A．水
B．酒精
C．二氧化碳
D．氧
答案
答案：C
搜题请搜索小程序“爱下问搜题”
酵母菌在有氧和无氧的情况下都能分解葡萄糖，释放能量，两种情况下，共有的产物是．（ ）
A．水
B．酒精
C．二氧化碳
D．氧
答案：C
| 根据短文内容完成下面的表格。 | ||||
| For many young people, becoming a professional athlete might seem like a dream job. If you become a professional athlete, you'll be able to make a living by doing something you love. If you become famous, people all over the world will know you. Many athletes give money to schools and charities,and do a lot of work to help people. This is a great chance thatmany people do not have. However,professional athletes can also have many problems. If you arefamous,people will watch you all the time and follow you everywhere.This can make life difficult. If you play sports for a living, your job will sometimes be very dangerous. Many professional athletes get injured. And if you become rich, you will have a difficult time knowing who your real friends are. In fact, many famous people complain that theyare not happy. They say they were happier before they became rich and famous. | ||||
|