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请写出程序运行结果。public class E {public static void main(String[] args) {Com com = (a,b)->{return a-b;}；System.out.println(com.get(10，20))；}}interface Com{int get(int a，int b)；}
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举一反三
【单选题】What is the main topic of the news item?
A.
Methane explosion in Turkey.
B.
Miscounting of the people died in the accident.
C.
Terrible working conditions of coal miners.
D.
The worst mining disaster in history.
【单选题】Wang: I've got an appointment. I'm going to meet a friend in London at 3 p.m. It's already a quarter past 2. ______. David: I'm going to London. I can give you a lift if you like. Wang: Could you real...
A.
I'll never make it
B.
I'll never do it
C.
I'll never reach it
D.
I'll never attain it
【单选题】Immediately before he hit his head on the board, the writer __________.
A.
climbed the ladder
B.
started the moves that would thrust him into the air
C.
knew he was too close to the board
D.
corrected his actions when he turned
【单选题】Questions 1 and 2 will be based on the following news item.
A.
Methane explosion in Turkey.
B.
Miscounting of the people died in the accident.
C.
Terrible working conditions of coal miners.
D.
The worst mining disaster in history.
【单选题】听力原文：After Susan carefully explained her ideas at the board meeting last week, the directors all voted for the change she's made concerning the proposed project. (22)
A.
The board of directors asked about the changes.
B.
The board of directors decided to invest more on the project.
C.
The board of directors approved the revisions.
D.
The board of directors could not understand her explanation.
【单选题】The process of rescuing trapped miners is slow due to
A.
the difficulties of getting down into the coal mine.
B.
the great casualties of the mining accident.
C.
the risk of catching infectious disease.
D.
the continuous blasts inside the coal mine.
【简答题】BEIJING — The rescue operations at a coal mine accident have ended with 105 miners dead. The State Council has organized an investigation team to probe (调查) into what caused the disaster in the city o...
【简答题】A. Richard J. Braun Richard J. Braun, MBA, JD, CPA, was named Chairman of the Board of Directors and President on October 26, 2000. Mr. Braun was named a Director and elected as Chief Executive Office...
【简答题】A．He was told that he had boarded the wrong plane. B．He was not allowed to board the plane he should take. C．He arrived at the airport without ticket or luggage. D．He found it difficult to explain why...
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