A．木材、橡皮
B．石墨、金属
C．木材、金属
D．石墨、橡皮
答案：A
Read and write. 根据菜单回答问题。
1 .-How much for two hot dogs?- yuan
2. -How much for two hamburgers?- yuan
3. -How much for five French fries?- yuan
4. -How much for a bottle of juice?- yuan
5. -How much for a bowl of soup?- yuan
一条射线上只有一个点，一条线段上有两个点 [ ]
