皮皮学，免费搜题
登录
搜题
【简答题】
生态因子相互联系表现在哪些方面?
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
【单选题】在GB150-1998（钢制压力容器》中，低温容器是指（）。
A.
金属温度低于或等于-20℃的容器
B.
设计温度低于或等于-20℃的容器
C.
工作温度低于或等于-20℃的容器
【单选题】You'd better not ask him for help. He will not try his best _____he agrees to help you.
A.
.although
B.
even if
C.
because
D.
as though
【单选题】智能火灾报警系统中报警设备分为自动感应报警设备和手动确认报警设备两种，下列属于手动确认报警设备的是______。
A.
点型光电感烟火灾探测器
B.
手动报警按钮
C.
点型感温火灾探测器
D.
可燃气体探测器
【单选题】You'd better not ask him for help. He will not try his best ___ he agrees to help you.
A.
although
B.
even if
C.
because
D.
even though
【单选题】You'd better not ask for help. She will not try her best _____ she agrees to help you.
A.
although
B.
even if
C.
because
D.
even so
相关题目：