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【判断题】
短帧间隔(SIFS)的优先级最高,用于PCF模式。A.
正确
B.
错误
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参考解析：
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举一反三
【单选题】According to Dana Julian, young people dream to be video stars because of______
A.
interest
B.
vanity
C.
enlightenment
D.
curiosity
【单选题】The food is good at this hotel, but the is poor the waiters don't seem to be well trained.
A.
service
B.
repair
C.
charge
D.
maintenance
【单选题】The food is good at this hotel,but the ____ is poor;the waiters don’t seem to be well trained.
A.
maintenance
B.
repair
C.
charge
D.
service
【单选题】When you call the emergency services, please give us as information as possible.
A.
many
B.
much
C.
more
D.
most
【简答题】结构施工图中,3φ10中的10代表钢筋____。
【单选题】对该患者的护理措施不正确的是 查看材料
A.
避免使用镇静剂
B.
遵医嘱应用利尿药
C.
限制食盐5g／d左右
D.
进水量限制在1000ml／d左右
E.
指导患者半卧位，减轻呼吸困难
【单选题】The author suggests that language in ads should be understood ______.
A.
according to its dictionary definition
B.
according to its contexts
C.
imaginatively
D.
impartially
【单选题】The food is good at this hotel, but the ___ is poor; the waiters don't seem to be well trained.
A.
maintenace
B.
repair
C.
charge
D.
service
【单选题】According to the passage, which of the following can be found in the greatest number of different climate area on earth?
A.
Penguins.
B.
Camel
C.
Bears.
D.
Mosses.
【单选题】According to the passage, which of the following can be found in the greatest number of different climate areas on Earth?
A.
Reef corals
B.
Penguins
C.
Bears
D.
Camels
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