【判断题】要规范生化类试剂和用品的采购、实验操作、废弃物处理等工作程序,加强生物类实验室安全的管理,责任到人。()
【简答题】平均数指数是一种通过对()来计算的加权算术平均数或加权调和平均数的总指数。
【简答题】请使用 PAD图和 PDL语言描述在数组 A(1)~ A(10)中找最大数的算法。
【单选题】What can be inferred from the news item?
A.
The 'road map' plan is launched for the first time.
B.
Palestinian President and Israeli Prime Minister haven't held a serious negotiation for a few years.
C.
Many Arab and Asian countries attended the conference.
D.
This time, the two sides might not reach an agreement again like before.
【判断题】平均指数有两种基本形式,一是加权算术平均指数,二是加权调和平均指数
【单选题】What can be inferred from this news item?
A.
The 'road map' plan is launched for the first time.
B.
Palestinian and Israel haven't held serious negotiation for a few years.
C.
Many Arab and Asian countries attended the conference.
D.
This time, the two sides might not reach an agreement again like before.
【单选题】What is the first item of the news about?
A.
About Germans on strike.
B.
About a new-type airplane.
D.
About rescue workers in UK Motor.