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【多选题】
关于STP下面的说法中不正确的是( )。(本题共3个选项)A.
一个交换网络中只能有一个指定交换机
B.
根交换机的所有端口都是根端口
C.
根交换机中所有端口都是指定端口
D.
交换网络中交换机优先级值最小的交换机成为交换机
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举一反三
【单选题】The sentence“…to myself the stage seemed very misty…”in the 5th paragraph implies that the author
A.
did not get a good seat．
B.
was short sighted．
C.
was a bit sleepy．
D.
was juSt too moved．
【单选题】The word 'provided' in the second sentence of the 4th paragraph is closest in meaning to ______.
A.
supplied
B.
stipulated
C.
added
D.
suggested
【简答题】但振荡脉冲频率为 12MHz 时,一个机器周期为 ,当振荡脉冲频率为 6MHz 时,一个机器周期为
【单选题】Pick the sentence that is punctuated correctly.
A.
"What are you going to dress up as," asked Matilda.
B.
"What are you going to dress up as?" asked Matilda.
C.
"What are you going to dress up as?asked Matilda.
【单选题】Pick the sentence that is punctuated correctly.
A.
"I don't know about that," stated Lily.
B.
"I don't know about that, stated Lily."
C.
"I don't know about that," stated Lily."
【单选题】陶女士,35岁,持续高热,怀疑败血症。护士为其采集血培养标本,错误的操作是 检查容器有无裂缝
A.
检查容器有无裂缝
B.
检查培养基是否足够
C.
采集时严格执行无菌技术
D.
采血后即将针头插入培养瓶注入血液
E.
血液注入培养瓶内应轻轻摇匀
【简答题】当振荡脉冲频率为12 MHZ时,一个机器周期为 μs ;当振荡脉冲频率为6 MHz时,一个机器周期为 μs 。
【单选题】陶女士,35岁。持续高热,怀疑败血症。护士为其采集血培养标本,错误的操作是( )
A.
检查容器有无裂缝
B.
检查培养基是否足够
C.
采集时严格执行无菌技术操作
D.
采血后即将针头插入培养瓶注入血液
E.
血液注入培养瓶内应轻轻摇匀
【单选题】Pick the sentence that is punctuated correctly.
A.
"I'm not sure," said Mrs. Tron,but I think I'll get a hamster."
B.
"I'm not sure, said Mrs. Tron, but I think I'll get a hamster."
C.
"I'm not sure," said Mrs. Tron,"but I think I'll get a hamster."
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