皮皮学，免费搜题
登录
搜题
【单选题】
船上自然通风系统的原理是:1、有船速时才能达到通风;2、无风,无船速时不能达到通风;3、相对船有空气流动时即可通风A.
①、②
B.
②、③
C.
①、③
D.
仅③
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】The company _____ we worked 3 years ago has grown into one of the biggest companies in our country. [ ]
A.
that
B.
when
C.
in which
D.
which
【简答题】As a leading producer of spare parts for airplanes, our company is a long way ______ other companies.
【单选题】Our company has been bought by one of the biggest _____ companies in the world.
A.
subjective
B.
constant
C.
ultimate
D.
multinational
【简答题】板、次梁、主梁的常用跨度是多少?
【单选题】甲、乙、丙各交2 000元给丁，委托丁购买彩电。丁又将款交与戊请他代购。戊一去不知下落， 甲、乙、丙向丁索款，丁拒绝。甲、乙、丙起诉。法院应当______。
A.
判决由丁偿还甲、乙、丙各2000元
B.
驳回甲、乙、丙的请求，丁系无偿服务，不应负责
C.
判决由丁偿还甲、乙、丙各1 000元，另3000元应向戊追索
D.
判决由丁偿还甲、乙、丙各2000元，戊负连带偿还责任
【单选题】It is 3 years _______ one of the big companies used our delivery company.
A.
before
B.
after
C.
since
D.
when
相关题目：