皮皮学，免费搜题
登录
搜题
【简答题】
双代号网络图中关键线路是指持续时间最( )的线路
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【判断题】In case of a natural forest fire, there are firefighters to put it out with no delay.
A.
正确
B.
错误
【简答题】In case of a natural forest fire, there are firefighters to put it out with no delay.
【判断题】In case of a natural forest fire, there are firefighters to put it out with no delay.
A.
正确
B.
错误
【单选题】In case of a natural forest fire,______.
A.
there are firefighters to put it out with no delay
B.
firefighters, citizens and tourists together will try to put it out
C.
it is allowed to burn until it dies out by itself
D.
.
【单选题】The force that moves the air in a room or building in case of natural ventilation is due to _______:
A.
Neither
B.
Both
C.
Difference in temperature inside and outside of building
D.
Wind force
相关题目：