皮皮学，免费搜题
登录
搜题
【单选题】
下列说法哪个是错误的？（ ）A.
最长的荧光波长和最长的激发光波长相对应
B.
荧光光谱的最短波长和激发光谱的最长波长相对应
C.
荧光光谱与激发光波长无关
D.
荧光波长永远长于激发光波长
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】Party B shall ship the goods within one month of the date of signing this contract,i.e.not later than December
【多选题】通常具有下列身份地人应当在他人介绍中充当介绍者。
A.
社交活动中地东道主或家庭聚会中的女主人
B.
正式活动中地位、身份较高者
C.
公务交往中的礼仪专职人员，如公关人员、接待人员、文秘人员
D.
熟悉被介绍者双方者
E.
应介绍者一方或双方要求者
【单选题】What happened to Butch one month later except____?
A.
He failed all his courses.
B.
He would be expelled from the university.
C.
He got a scholarship.
D.
He seemed resigned to his fate.
【简答题】It is not unusual for workers in that region______. A．to be paid more than a month later B．to be paid later than more a month C．to pay later than a month more D．to pay later more than a mon th
【单选题】We learn from the news that the suspects were arrested ______.
A.
one month later.
B.
two months later.
C.
immediately.
D.
two weeks later.
相关题目：