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【单选题】
在海上,当你看到来船的号灯仅为红、白、红、白垂直四盏灯,则来船为:A.
从事捕鱼的船舶当渔具被障碍物挂住时
B.
失去控制的船舶在航对水移动
C.
除清除水雷作业的和拖带以外的操纵能力受到限制的船舶在航对水移动
D.
除清除水雷作业的和拖带以外的操纵能力受到限制的船舶在航不对水移动
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反馈参考答案：
举一反三
【判断题】利用指针可以实现对51单片机存储器绝对地址的访问,编程方便起见,C51编译器提供了一组宏定义以实现对80C51单片机绝对地址的访问(宏定义原型放在adsacc.h中)。判断下列描述是否正确: * (DBYTE+0x40)=0x3F //将数据0x3F传送到片内RAM的40H单元
A.
正确
B.
错误
【单选题】--- What courses do you have? ---________
A.
I write my work and activities in my calendar.
B.
We have a lot of courses, such as Design Basis, Clothing Materials, Photoshop, and so on.
C.
My major is Clothing Design.
【单选题】— Hey! Lucas! Have you heard about the selective courses this year? — _______. What about that? [ ]
A.
Not really
B.
Not exactly
C.
Not simply
D.
Not nearly
【单选题】— What courses are you taking? —
A.
Play computer
B.
Nice to meet you,too.
C.
Cooking
D.
Very well.
【单选题】—What courses do you offer? —_________
A.
I like courses on computer programming.
B.
The courses begin at four o’clock.
C.
We have courses on foreign languages.
D.
There are some lectures this afternoon,
【简答题】如图所示,该电路有 ()回路。
【简答题】如图所示电路,该电路图有()个独立结点,有()个独立回路。
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