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【单选题】
89C51单片机内部有两个16位的( )器。A.
累加器
B.
存储器
C.
地址锁存器
D.
定时/计数器
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举一反三
【简答题】Listen and decide which one (A or
B) indicates effectA. He has so little education. B. He is unable to find a job.
【简答题】Listen and decide which one (A or
B) indicates effectA. She was busy. B. She couldn’t go to the party
【单选题】Which one of the following sentences indicates a typical beginning of a presentation?
A.
Fellow colleagues Mr. Chairman/Chairwoman
B.
What I would like to do today is to explain
C.
Now let usturn to point one.
D.
Thank you for your kind introduction
【简答题】Listen and decide which one (A or
B) indicates effectA. He is explaining clearly. B. They could understand
【简答题】Listen and decide which one (A or
B) indicates effectA. Let’s continue to work. B. The rain has stopped
【简答题】Listen and decide which one (A or
B) indicates effectA. None of us could follow him. B. He spoke so fast.
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