单项选择题

According to the passage, ______ are the key factor to making "Now casts" a reality.

A．scientific and technological advances such as radar, or satellites
B．computer scientist
C．meteorologists
D, advanced computer programs
<上一题 目录 下一题>
热门 试题

单项选择题
Button's final impression of the witness was that ______.
A．his report was not clear though he was honest
B．he was afraid of being involved and refused to cooperate with the po lice
C．his observation was good but he was not very clear- headed
D．he was dependable and reasonably observant
单项选择题
What was the attitude of the witness during the interview
A．Obviously somewhat frightened;
B．Excited at seeing the incident.
C．Anxious to give a report to the police station.
D．Calm and unhurrie
相关试题