Internet和EDL结合有四种方式,目前最流行的方式是()。
A.standard IC
B.Web-EDI
C.XMV/EDI
D.Internet Mail
参考答案:B
根据课文内容填空。 (5分)
Amy is my _____1___ friend. She is a __2_______ of the Swimming Club. She is a very good ____3______. We always ____4____ a good time at school.
We often dress up ____5___ Halloween. We wear ____6____ costumes ___7____ masks. We sometimes ____8___ our faces and people do not know ____9_____ we are. It is ____10______. This year, I will wear a tiger costume.
小王开车上班需经过4个交通路口,假设经过每个路口遇到红灯的概率分别为0.1,0.2,0.25,0.4,则他上班经过4个路口至少有一处遇到绿灯的概率是()。
A.0.988
B.0.899
C.0.989
D.0.998