问题
单项选择题
有“门”的器官是（）
A．横结肠
B．肾
C．输卵管
D．气管
E．胃
答案
参考答案：B
搜题请搜索小程序“爱下问搜题”
有“门”的器官是（）
A．横结肠
B．肾
C．输卵管
D．气管
E．胃
参考答案：B
| 选词填空。 | |
2. The man ______ Mary and Gina is my new English teacher. 3. Could you please ______ the floor? It's so dirty. 4. Please read the message ______, so that we can hear you. 5. It's a good habit to brush our teeth ______ a day. 6. We like our math teacher, because he is very ______ to us. |