皮皮学，免费搜题
登录
搜题
【单选题】
食品在弱碱性及冷藏条件下,维生素的损失较少。()A.
是
B.
否
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
【简答题】可逆循环的热效率必大于不可逆循环的热效率。( )
【单选题】---When is Jim's birthday? ---________ August 11th. [ ]
A.
They're
B.
It's
C.
Jim's
D.
Here
【简答题】不可逆循环热效率一定小于可逆循环热效率?
【单选题】— Could you tell me____________? — Over there.
A.
where does Jim live
B.
where Jim lives
C.
when will Jim come back
D.
when Jim will come back
【单选题】When the writer says that Jim has a full-time job at home, he means Jim ______.
A.
makes shoes in his home
B.
does extra work a night
C.
does his own car and home repairs
D.
keeps house and looks after his children
相关题目：