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为等差数列，若 ，且它的前 有最小值，那么当 取得最小正值时，
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【单选题】John and Peter like to __________ their life.
A.
talk
B.
talk to
C.
talk with
D.
talk about
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【简答题】听力原文：What does the passage talk about? What does the passage talk about? It talks about the changes in ______.
【单选题】This sort of punishment is applied only to nonviolent criminals who are not______to be dangerous to the public.
A.
possible
B.
probable
C.
likely
D.
like
【简答题】A．talk B．to talk C．talk about D．to talk about
【简答题】What does the ad talk about? It talks about ______ .
【单选题】What do they talk about?
A.
They talk about a magazine.
B.
They talk about food.
C.
They talk about the beach.
【单选题】The purpose of this passage is______.
A.
to talk about Valentine's Day
B.
to talk about the story of Valentine
C.
to talk about people's celebration on Valentine's Day
D.
to talk about the popularity of celebrating Valentine's Day now in the world
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