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【单选题】
下列关于PCB设计的基本理念,描述错误的是?
A.
SMD为Surface Mounted Devices表贴器件。
B.
电路板上的焊盘(pad)只能是圆形或方形。 {
C.
Gerbar文件是描述PCB影像的电子文件格式,通常有数个Gerber文件组合成一个完整电路板的数据图形文件。 }
D.
Netlist是电子设计自动化软件中用以描述电路连接的信息。
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参考答案:
举一反三
【单选题】气动差压变送器的压力输出范围是?
A.
0~0.02MPa
B.
0.02~0.1MPa
C.
0~0.1MPa
D.
0.02~0.14MPa
【多选题】What are the topics we’d better avoid when communicating with people from western countries?
A.
Someone’s age and salary.
B.
The size of someone’s flat.
C.
Someone’s religion.
D.
Someone’s marriage status.
【简答题】看以下JavaScript程序 var a,b,c; a=“2”; b=2; c=a+b; 运行以上程序后,变量c的值为( )
【简答题】People from western country prefer using fork, but Chinese people prefer chopsticks.
【判断题】People from western culture often use pronouns like “we” when writing emails. ( )
A.
正确
B.
错误
【简答题】看以下javascript程序 var a,b,c; a=“2”; b=“2”; c=a+b; 运行以上程序后,变量c的值为_ 。
【单选题】When people from western countries want to relax themselves, they prefer _____with their families rather than .
A.
to watch TV, staying at home
B.
to watch TV, go out
C.
to drive out, watch TV at home
【单选题】People from western countries prefer _______________ fork, but Chinese people prefer chopsticks.
A.
use
B.
uses
C.
using
D.
used
【简答题】It takes time for the people from Western countries ____________________ Chinese life style.
【判断题】People from Western culture generally think man and nature should coexist in harmony.
A.
正确
B.
错误
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