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【简答题】
对第二类沸腾传热恶化起决定影响作用的参数是()。
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参考答案:
举一反三
【简答题】计算机网络按照其传播方式的不同,我们可以将之分为 和”点-点网络“A. 广播网络
【判断题】Internet addiction is a good thing for teenagers.
A.
正确
B.
错误
【简答题】数码管的显示方式有静态和 两种。
【单选题】The one thing we need to be alert about the Internet is ____________.
A.
to live our real life with a virtual identity
B.
not to let the virtual life online dominate our real life
C.
to accept whatever information coming to us
D.
to stop using it since it is doing harm to us
【单选题】Analysts commonly describe two distinct modes of communication in the Internet of Things: One is thing-to-person communication, and the other is_______.
A.
person-to-person communication
B.
person-to-thing communication
C.
thing-to-thing communication
D.
client-and-service communication
【单选题】The thing the author like best about the Internet is that ______.
A.
he is able to explain his ideas in a simple language
B.
his writing is not changed by his boss
C.
he is able to communicate with people all over the world
D.
a lot of people have left entries and thanked him for his efforts
【判断题】Do children learn bad thing only from internet?
A.
正确
B.
错误
【单选题】下列哪个不属于钢管的连结方式?
A.
粘接
B.
螺纹连接
C.
焊接连接
D.
法兰连接
【单选题】微型计算机的主机由( )组成。
A.
CPU 和内存储器
B.
CPU 、外存储器、外部设备
C.
CPU 和存储器系统
D.
主机箱、键盘、显示器
【简答题】LED 数码管有 显示和 显示两种方式。
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