DVOR是 Doppler()omnidirectional radio rang的缩写。
第1题:
B
Radio and television are very popular in the world today. Millions of people watch TV.Perhaps more people listen to the radio.The TV is,of course,more useful than the radio. On TV you can see and hear what is hap-pening in the world.Now radio is still with us. And the number of listeners is becoming larger. One reason for this is the invention of the transistor(半导体) radio. A transistor radio is sometimes very small. It is very easy to carry. You can put one in your pocket and listen to it on the bus or on your bike when you go to work. It is better.for blind people. The sight(视力J) of many old peo-ple is not good enough to watch TV. Then,when people are working,they can't watch TV, but they can listen to music or news over the radio. What-s more,radio is much cheaper than TV.
( )26. Radio and television__________ in the modern world today
.
A. are both widely used
B. are both expensive
C. have been changed a lot
D. are used for learning things
第2题:
This radio is___ than that one.
A. more expensive
B. very expensive
C. as expensive
第3题:
此题为判断题(对,错)。
第4题:
VOR机载接收机对CVOR信标与DVOR信标兼容是指()?
第5题:
I would be very much ______ if you could arrange for a radio technician to come on board as soon as possible for my radar repair.
A.obliged
B.obliging
C.oblige
D.being obliged
第6题:
A.at once
B.immediately
C.again
D.at that moment
答案:D
解析:本句意思:方才,电话响了,就在那时响了;选项 A B 表示“立刻,马上”常指一个事情紧接着另一件事情发生,不适合本句,因为本句表述的是同一件事情。本句并没表示电话先响过一次,所以也不选C。
第7题:
I would be very much________if you could arrange for a radio technician to come on board for my radar repair.
A.obliged
B.obliging
C.oblige
D.being obliged
第8题:
A、I'd like to buy it
B、It's of very good quality
C、About eighty-five dollars
D、It depends on how you like it
第9题:
()组英文缩写是属于导航设备。
第10题:
下面有关DVOR的论述正确的是()