问题
单项选择题
电磁阀的常见故障有（）。
（A）打不开
（B）漏气
（C）打不开或漏气
（D）发热
答案
参考答案：C
搜题请搜索小程序“爱下问搜题”
电磁阀的常见故障有（）。
（A）打不开
（B）漏气
（C）打不开或漏气
（D）发热
参考答案：C
| 选词填空。 | |
 Tim and his father are at the zoo. They are looking at the animals. There are small animals. There are 1.________, 2._________ and rabbits. Tim likes them a lot. There are some big animals, too. There are 3._______, giraffes and 4.________ Tim's favourite animal is panda. But there aren't pandas in the zoo. |