题目内容
The environment in our hometown is ______ than it was before.
A. good B. worse C. better D. bad
C
In our solar system (太阳系), Earth and the other eight planets travel around the sun.. Unlike Earth, Saturn (土星) has tings. The chart shows more ways in which Saturn and Earth are different.
| Category(类别) | Earth | Saturn |
| Average distance(平均距离)from the SUII | 93 million miles | 890 million miles |
| Length (长度)of day | 24 hours | 10 hours 39 minutes |
| Length of year | 365 days | about 10,585 days |
| Number of moons(卫星) | l | 33 |
| What it's made of | rock and water | gas (气体)(hydrogen and helium) |
1. From the chart we can know that Saturn is____________from the sun than Earth.
2. Saturn has____________than Earth.
3. A day on Saturn is shorter than a day____________
4. Earth is made of____________
5. There are____________ planets in our solar system besides(除了……还) Earth and Saturn.