【单选题】NaD 双线 [ l (D 1 ) = 589.592 nm, 由 3 P 1/2 跃迁至 3 S 1/2 ; l (D 2 ) = 588.995 nm, 由 3 P 3/2 跃迁至 3 S 1/2 ] 的相对强度比 I (D 1 ) / I (D 2 ) 应为
【判断题】敏捷过程适合用于大型、复杂系统开发。( )
【单选题】NaD 双线 [ l (D 1 ) = 5895.92 Å , 由 3 P 1/2 跃迁至 3 S 1/2 ; l (D 2 ) = 5889.95 Å , 由 3 P 3/2 跃迁至 3 S 1/2 ] 的相对强度比 I (D 1 ) / I (D 2 ) 应为 ( )
【简答题】Long Conversation 2 Questions 1 to 4 are based on the long conversation you have just heard.
【简答题】2012年7月20日,A企业向B企业销售产品一批,货款100 000元,增值税17 000元,A企业收到B企业签发的商业承兑汇票一张,票面金额为117 000元,利率3%,期限3个月。 要求:试作出销售商品、每月计算利息及到期收到款项的会计处理。
【判断题】敏捷过程适合用于大型、复杂系统开发。( )
【单选题】2 Understanding a long conversation-1.mp3 1 Understanding a long conversation
A.
Because she is always nervous during tests.
B.
Because she is worried about the result of the final exam.
C.
Because she has made a mistake.
D.
Because she was late for the final exam.
【单选题】book4unit2 Long conversation Listen to a long conversation and choose the best answer to each question you hear
A.
How to get a good job.
B.
How to see things differently.
C.
What to wish for in life
D.
What to expect from marriage
【单选题】listen to conversation 2 and answer the questions from 16 to 20 long conversation 2.mp3: 16.mp3:
A.
Because she wants to take a long vacation.
B.
Because she wants to interview news producers.
C.
Because she wants to volunteer for an organization.
D.
Because she wants to prepare for the election season.
【单选题】NaD双线[l(D1)=5895.92, 由3P1/2跃迁至3S1/2; l(D2)=5889.95, 由3P3/2跃迁至3S1/2]的相对强度比I(D1)/I(D2)应为( )