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【单选题】
能见度不良时要求机动船做好随时操纵准备,此要求适用于下述哪种水域:A.
通航密集水域
B.
任何水域
C.
沿海水域
D.
受限水域
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举一反三
【单选题】听力原文：M: Hello, may I speak to Paul Bacon, please? W: I am sorry, nobody by that name works here. Q: What do we learn from this conversation? (19)
A.
Paul Bacon isn't in right now.
B.
Paul Bacon can't come to the phone right now.
C.
Paul Bacon doesn't want to speak to the man.
D.
The man dialed the wrong number.
【多选题】物流系统中存在的制约关系包括( )。
A.
物流服务和物流成本间的制约关系
B.
构成物流服务子系统功能之间的约束关系
C.
构成物流成本的各个环节费用之间的关系
D.
各子系统的功能和所耗费用的关系
【单选题】听力原文：M: Do you think Professor Paul will cancel class because of the special conference? W: Not likely. Q: What does the woman mean? (18)
A.
She doesn't like the professor very much.
B.
She doubts class will be canceled.
C.
She doesn't want to attend the conference.
D.
She wonders whether the professor is an accountant.
【单选题】Martin invested $1,000 six years ago and expected to have $1,500 today. He has not added or withdrawn any money from this account since his initial investment. All interest was reinvested in the accou...
A.
Martin earned simple interest rather than compound interest.
B.
Martin earned a lower interest rate than he expected.
C.
Martin did not earn any interest on interest as he expected.
D.
Martin ignored the Rule of 72 which caused his account to decrease in value.
【简答题】透视投影采用（）投影法；轴测投影采用（）投影法。
【单选题】以下对C语言中共用体类型数据的正确叙述是
A.
定义了共用体变量后，即可引用该变量中的任意成员
B.
共用体变量中可以同时存放其所有成员
C.
共用体中的各个成员使用共同的存储区域
D.
在向共用体中的一个成员进行赋值时，共用体中其他成员值不会改变
【单选题】According to the author, if $1 billion were invested in the prevention and treatment of heart discase, which of the following economic benefits would be produced?
A.
$ 20 billion.
B.
$ 25 billion.
C.
$ 30 billion.
D.
$ 35 billion.
【单选题】以下 是对C语言中共用体类型数据的正确叙述:
A.
一旦定义了一个共用体变量后，即可引用该变量或该变量中的任意成员；
B.
一个共用体变量中可以同时存放其所有成员；
C.
一个共用体变量中不能同时存放其所有成员；
D.
共用体类型数据可以出现在结构体类型定义中，但结构体类型数据不能出现在共用体类型定义中。
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