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【判断题】
运算结果是也是,就像矢量相加后也是矢量。A.
正确
B.
错误
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皮皮学刷刷变学霸
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【简答题】当鼠标离开某对象范围时触发的事件是__________事件。
【单选题】An even more exciting find was reported in 1994, also from Pakistan. The now extinct whale Ambulocetus natans ("the walking whale that swam") lived in the Tethys Sea 49 million years ago. It lived aro...
A.
Fossil legs of early whales are a rare find.
B.
The legs provided important information about the evolution of cetaceans.
C.
The discovery allowed scientists to reconstruct a complete skeleton of the whale.
D.
Until that time, only the front legs of early whales had been discovered.
【简答题】能把异构的计算机网络相互连接起来，且可根据路由表转发IP数据报的设备是______。