【判断题】人生价值评价的根本标准是物质贡献和精神贡献的统一。( )
【判断题】音频轨道上显示一个喇叭,表示该轨道的类型为单声道 ,显示两个喇叭则表示该轨道的类型为立体声
【简答题】British government wants UK to acquire coronavirus "herd immunity." According to over 200 scientists and medical experts, however, going for “herd immunity” at this point does not seem a viable option...
【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数据报的网络设备是________。
【简答题】At one time, the animals present in these fossil beds were assigned to various modern animal groups, but most paleontologists now agree that all Tommotian fossils represent unique body forms that aros...
【简答题】Listen again and correct the eight errors in this summary of the interview. Natural gas is far less environmentally friendly than other fossil fuels like oil and coal, but it is also being replaced by...
【单选题】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__________。
【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______。