【简答题】【消耗次数：1】
通常有三种表示三地址代码的方法，分别为三元式, 四元式，[填空1]。
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三元式之间的联系是通过[填空1]实现。
【简答题】
若|A|=2,则A上有[填空1]个三元关系。
【简答题】
计算机启动通常有[填空1]、热启动和系统复位三种方式。
【填空题】
计算机启动通常有[填空1][填空2]、热启动和系统复位三种方式。
【单选题】
某企业销售甲、乙、丙三种产品，全年预计固定成本总额为210000元，预计销售量分别为8000件、5000台和10000件，预计销售单价分别为25元、80元、40元，单位变动成本分别为15元、50元、28元，则该企业的盈亏临界点是多少？（ ）
①
4500
②
4800
③
3500
④
5000
随机题目
【单选题】
6.It was very ______ of you to let us know you were going to be late.
①
considering
②
considerate
③
considerable
④
considered
【单选题】
6. Don’t_________to 1et me know if there s anything I can do for you.
①
hesitate
②
reject
③
puzz1e
④
thrill
【单选题】
He said he would never be intimidated _____ what he didn’t like by big names and authorities.
①
do
②
to do
③
did
④
into doing
【单选题】
10.His bedroom_______a single bed with a small television at its foot.
①
makes up
②
consists of
③
laysout
④
servesas
【单选题】
He thought that _____.
①
the effort doing the job was not worth.
②
the effort was not worth in doing the job.
③
it was not worth the effort doing the job.
④
it was not worth the effort by doing the job.
【单选题】
15. While I like the dress very much, I cant afford it. The word “while” means ______.
①
when
②
although
③
as long as
④
whereas
【单选题】
You _____ her in her office last Friday, she’s been out of town for two weeks.
①
needn’t have seen
②
must have seen
③
might have seen
④
can’t have seen