看信息，回答问题。
  Rivers in China
Changjiang River 6300 km
Huanghe River 5464 km
Zhujiang River 2197 km
Huaihe River 1000 km
1. Which is longer, Huaihe River or Zhujiang River?
________________________________________________________
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?
________________________________________________________

参考答案：
1. Zhujiang River.
2. Changjiang River.
3. Huaihe River.
4. Changjiang River.
答案不唯一

看信息，回答问题。
  Rivers in China
Changjiang River 6300 km
Huanghe River 5464 km
Zhujiang River 2197 km
Huaihe River 1000 km
1. Which is longer, Huaihe River or Zhujiang River?
________________________________________________________
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?
________________________________________________________

参考答案：
1. Zhujiang River.
2. Changjiang River.
3. Huaihe River.
4. Changjiang River.
答案不唯一