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【单选题】
计算机局域网按拓扑结构进行分类,可分为环型、和( )型等
A.
电路交换
B.
以太
C.
总线
D.
TCP/IP
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参考答案:
举一反三
【单选题】The aid will be increased ______.
A.
to the target set by the UN
B.
to the target set for 2013
C.
to about $12 billion annually
D.
by about $12 billion annually
【简答题】用 CNT 指令编写一个能记录 1 万个计数脉冲的计数器程序,画出梯形图。 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
【判断题】交换值(即重组率)测定的是两基因间区段内发生交叉交换的频率,因而交换值所表示的是基因间区段长度的绝对值。
A.
正确
B.
错误
【单选题】Press a third button so that the alarm is set.
A.
To set the alarm, you need to press the button three times.
B.
There are three buttons needed to set the alarm.
C.
After pressing a third button, you finish setting the alarm.
【单选题】Why did President Bush veto the previous war spending bill?
A.
Because the Democrats set a deadline to the withdrawal of American soldiers in Iraq.
B.
Because the bill was proposed by Democrats, but Bush belongs to the Republican Party.
C.
Because the spending was not enough.
D.
Because the spending was too much.
【单选题】The man set upon by a wolf in the forest.
A.
attacked
B.
seized
C.
snatched
D.
frightened
【单选题】Whats the goal of the conference set up by the US and Russia?
A.
To help the rebels to fight against Syria.
B.
To work on establishing a new Syrian government.
C.
To come together to negotiate with Syria.
D.
To set wars fighting against the rebels in Syria.
【简答题】阅读理解 Kate’s bedroom is big. A TV set is in the room. The TV set is on the table. Some red flowers (花) are on it, too. We can see a nice picture on the wall. We can see a hat and some books on her bed....
【判断题】基本触发器可由两个与非门交叉耦合组成,也可由或非门交叉耦合组成。
A.
正确
B.
错误
【简答题】用 CNT 指令编写一个能记录 1 万个计数脉冲的计数器程序,画出梯形图。
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