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【判断题】
如果一个放大电路当输入信号为零时,输出端有一定频率和幅值的信号输出,这个电路叫自激振荡电路。A.
正确
B.
错误
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【简答题】根据热补偿方式的不同，写出三种管壳式换热器的基本形式：（）、（）和（）。
【简答题】3 A. Sami fell asleep in class, everyone laughed. B. Sami fell asleep in class everyone laughed. C. Sami fell asleep in class, and everyone laughed.
【简答题】根据热补偿方式的不同,写出三种管壳式换热器的基本型式:( )。
【单选题】AIS基站收发机还可配制为AIS应答器,AIS应答器的3个主要部件是:
A.
GPS导航仪、雷达、VHF收发信机
B.
雷达、罗经和VHF收发信机
C.
GPS导航仪和VHF收发信机
D.
VHF收发信机、GPS导航仪和计算机
【简答题】完形填空。 Tom: Hello! Lin Tao. Lin Tao: 1 ! Tom. Tom: How are you? Lin Tao: 2 , 3 . 4 you? Tom: I'm fine, 5 . Lin Tao: Look! My teacher,Mr Chen is coming. Good morning! Mr Chen. Mr Chen: Good morning! Lin...
【单选题】Sami Lin is developing an advertising campaign targeted to the same young audience that watched the X Games (an extreme sports competition) on television. Which of the following actions might Lin take...
A.
Use neutral sounds and colours that are similar to the programs the ads follow, so there is not much difference between the program and the ads.
B.
Create noisy, boldly coloured ads to break through the ad clutter.
C.
Create ads that emphasize the variety of sports to get customers to think about the ads.
D.
Start a viral internet campaign using a celebrity spokesperson to endorse the product.
【简答题】补全对话。 Sam: Who's that, Mum? Mum: ______(1) Sam: Oh, it's Lin Tao. Hello, Lin Tao. Lin Tao: Hello, Sam. ______(2) Sam: Fine, thank you. And you? Lin Tao: I'm fine, too, thanks. Sam: ______(3) This way,...
【单选题】—Who likes apples very much? —________ [ ]
A.
Lin Tao is.
B.
Lin Tao do.
C.
Lin Tao can.
D.
Lin Tao does.
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