判断题
Kepler 22b orbits very well.
正确(↓↓↓ 点击‘点击查看答案’看答案解析 ↓↓↓)
判断题 Kepler 22b is 600 light-years away from the earth.
单项选择题 What can be implied from the passage
单项选择题 How many high school students will become regular smokers every other day
