赞题库-背景图

单项选择题

According to the passage, _____is the key factor to making "Nowcasts" 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Which of the following is true

A．Modern man makes every effort to participate in modern life.
B．Modern man can become more intelligent by receiving the best thoughts of the ablest mind through television.
C．Modern man likes to consume, but few produce.
D．Television makes modern man himself think less.

单项选择题Conventional computer models of the atmosphere fails to predict such a short-lived tornado because_____.

A．the computer is not used to forecast specific local events
B．the computers are not advanced enough to predict it
C．the weather data people collect are often wrong
D．weather conditions in some small regions are not available