【单选题】评标委员会由招标人的代表和有关专家共5人以上单数组成,其中技术、经济等方面专家不得少于成员总数的______。
【简答题】结合自身情况,如何做好,填自学的内容)?
【单选题】玻尔的氢原子理论主要成功之处是
D.
证明了氢原子中,电子距核越远,电子的运动速度越大
【单选题】听力原文:M: Mrs. Winter, I need your advice: I want to buy a dress for my wife. Can you tell me where I can get one at a reasonable price? W: Sure. Go to Richard's. It has the latest styles and gives a 30...
A.
It is run by Mrs. Winter's husband.
B.
It hires Mrs. Winter as an adviser.
C.
It gives a 30% discount to all customers.
D.
It encourages husbands to shop on their own.
【简答题】嵌入式系统开发采用的交叉开发环境是由 _______ 和 _______ 组成 。
【单选题】D/P at sight means _
A.
document against payment after sight
B.
document againstpayment at sight
C.
documentary collection
D.
document against acceptance