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【单选题】
测者眼16m，物标高程为25m，则物标地理能见距离为:A.
6′.27
B.
8′.36
C.
10′.45
D.
18′.81
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皮皮学刷刷变学霸
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【简答题】___ may be chosen. A．Any one of the horse. B．Any one of the horses C．Anyone of the horse D．Anyone of the horses
【判断题】发送方是路由器A,要把 IP 数据报通过另一个路由器B转发到另一个网络上的一个主机。这时路由器A可以由 ARP缓存或广播可以直接获得目的主机的MAC地址。
A.
正确
B.
错误
【简答题】Tokyo, the capital of Japan, is one of the largest cities in the world. It is also one of the world’s most modern cities. Twice last century, the city was destroyed and rebuilt. In 1923 a major earthq...
【单选题】Of all the foods we know, fruit is one of the most healthful. It is also one of the most tasty foods. Almost everyone enjoys fruit. Fruit is grown in almost every part of the world. There are hundreds...
A.
Most people enjoy eating fruit.
B.
Fruit can be grown almost all over the world.
C.
There are less than a hundred kinds of fruits.
D.
There are three groups of fruits.
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