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【单选题】
数据通信,通信的两端中,一端只能作为发送端发送数据,另一端只能作为接收端接收数据,这种通信A.
B.
半
C.
D.
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【单选题】What happens to buyers when a sales tax is collected?
A.
They have to pay more than what the item costs.
B.
They can pay less than what the item costs.
C.
They have to pay exactly what the item costs.
D.
They will all give up buying the item.
【简答题】A Plastic Ocean is a film to make you think. Think, and then act. We need to take action on our dependence on plastic. We've been producing plastic in huge quantities since the 1940s. Drink bottles, s...
【简答题】Match the missing sentences (a–e) with the correct place in the text (1–5). Reading text: A Plastic Ocean: a film review A Plastic Ocean is a film to make you think. Think, and then act. We need to ta...
【简答题】What happens to all the three callers?
【单选题】听力原文：M: (Interviewer): What happens to the CEOs who are praised as all-wise geniuses when the Dow and NASDAQ were rocketing upwards once the market turns the other way? What can a business leader do w...
A.
I will be fired after you.
B.
You answer these questions first and I will give my answers after you.
C.
I will be the second person who will be shot.
【单选题】What happens to plastic waste? ( )
A.
It is a biodegradable material so it eventually disintegrates.
B.
It never fully goes away, it just breaks into little pieces.
C.
There is no such thing as plastic waste, all plastic is recycled.
D.
It is dumped in the ocean for fish to eat
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