在循环血液中出现不溶于血液的异常物质,并随着血液流动,继而阻塞血管腔,这种现象称为()。
A. 栓塞
B. 血栓形成
C. 梗死
D. 血管阻塞
E. 血栓栓塞
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摄影机镜头视轴偏向视平线下方的拍摄方式是()。它在处理群众场面时可以产生壮观宏伟的气势。
碱性焊条不烘干也可使用。()
A. 正确
B. 错误
已知某工作的持续时间为4天,最早开始时间为7天,总时差2天,则该工作的最迟完成的时间为()。
A. 4
B. 9
C. 11
D. 13
On an Aironet card, LED 0 and LED 1 are blinking alternately. What does this indicate? ()
A. The Aironet card is in power save mode.
B. The Aironet card is looking for a network association.
C. The Aironet card is joined to a network, but there is no network activity.
D. The Aironet card is joined to a network, and there is network activity.