搜题请搜索小程序“爱下问搜题”
问题
判断题
检修时用水冲洗预热器，尚未干燥时便点火运行会引起预热器堵灰。
答案
参考答案：对
填空题
根据句意选出正确的单词填空。
1. I am hungry. I want to go to a
.
2. I like to play ping-pong. Let's go to a
.
3. My mother wants to buy vegetables. Let's go to a
.
4. I am thirsty. I want to go to a
.
5. I want to buy new clothes. Let's go to a
.
tea shop restaurant market
clothes shop gym
查看答案
单项选择题
攀登杆塔作业前，应先检查电杆根部，电杆基础和（）是否牢固
A.拉线
B.周围环境
C.过往行人
查看答案
