看信息，回答问题。

River in China Changjiang River 6300 km Huanghe River 5464km Zhujiang River 2197km Huaihe River 1000km 1. Which is longer, Huaihe River or ZhujiangRiver? 2. Which is longer, Huanghe River or Changjiang River? 3. Which is the shortest river in China? 4. Which is the longest river in China?

1. ZhujiangRiver is longer.
2. ChangjiangRiver is longer.
3. HuaiheRiveris the shortest river.
4. ChangjiangRiveris the longest river.
答案不唯一