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【单选题】
下列关于索赔描述正确的是()。A.
索赔是双向的
B.
索赔可以是承包人向发包人发起索赔
C.
索赔只能是承包人向发包人索赔
D.
索赔可以是发包人向承包人索赔
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反馈参考答案：
举一反三
【简答题】在本项目中，如果计算机采用了多线程技术实现应用程序的并发操作，程序设计人员将面临多种挑战，其主要原因在于：程序会同时发生多个动作，对这些同时发生的动作以及它们之间的交互进行管理将面临四方面的挑战，即同步、通信、负载均衡和可伸缩性，用200字以内的文字对上述四种挑战进行简要描述，并给出下表1所述的常用并发程序设计模式的分解方式。
【单选题】—______ do you need to finish your homework? —About an hour.
A.
How far
B.
How long
C.
How many
D.
How much
【简答题】. Sometimes I show _________ (me)photos to _________ (they) . Sometimes we _________ (play)s .
【单选题】Make plans before you do anything. That is to say, you should ______ how much time you need to finish it first.
A.
work on
B.
work out
C.
take out
D.
come out
【单选题】--Mr. Wu, please _____ how much time you need to finish your homework. -- All right. I’ll make it(做到) at once.
A.
work out
B.
find out
C.
give out
D.
put out
【单选题】My friends and I take turns hosting dinner on Saturday evenings. After we eat, we play cards or watch a movie, or sometimes we just talk. This is an example of finding happiness by _________.
A.
staying connected
B.
keeping active
C.
giving away
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