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【单选题】
一定量理想气体,从同一状态开始把其体积由 压缩到 ,分别经历等压、等容、绝热三种过程,则气体放热最多 的过程是A.
绝热过程
B.
等压过程
C.
等容过程
D.
以上三种过程均不增加
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举一反三
【单选题】It's ___________ to point to or talk about strangers in public.
A.
not polite
B.
polite
C.
good
【简答题】What does the speaker mainly talk about? ______ in the U. S.
【单选题】Where will they deal with the school paper?
A.
They will talk about it at the man's office.
B.
They will talk about it at the man's house.
C.
They will talk about it at the woman's house.
【单选题】Let’s discuss the problem after school.
A.
talk to
B.
talk about
C.
know about
D.
think about
【简答题】仔细阅读2：'There's an old saying in the space world: s talk about technology, professionals talk about insurance.'"There's an old saying in the space world: s talk about technology, professi...
【单选题】— What’s the main purpose of tonight’s meeting? — We are going to talk about the problem _______ at the last meeting.
A.
having discussed
B.
to be discussed
C.
being discussed
D.
discussed
【单选题】$a="happy"; $b=10; echo --$b; echo ""; echo $b; echo ""; echo "gaga".$a;
A.
9 9 gagahappy
B.
10 9 gagahappy
C.
10 9 gagahappy
D.
10 9 gagahappy
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【单选题】It's ___________ to point to or talk about strangers in public.
A.
not polite
B.
polite
C.
good