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【判断题】
按照帕累托的理论，将符合帕累托最实现条件的切点连接起来的线，称为效率线A.
正确
B.
错误
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举一反三
【单选题】听力原文： The train I was traveling on was already half an hour late. I had planned to arrive in Chicago at 7:00 in time to catch the 7:50 train to St. Louis, but there was no hope of that now. I explaine...
A.
At 7:00.
B.
At 7:50.
C.
In time.
D.
Behind its time.
【简答题】xcel中如何自定义视图快速定位？怎么在excel中自定义视图
【单选题】“When will your father _________ Shanghai?” “He ________ at 8:00 this Monday.”
A.
arrive at, will arrive
B.
arrive in , will arrive
C.
arrive ,will arrive in
D.
arrive, will arrive at
【单选题】--Recent years have______rapid changes of my hometown. --Yes, I could hardly recognize it when I arrived yesterday,
A.
watched
B.
witnessed
C.
contributed
D.
made
【单选题】When she (arrived), I was (pretty) fed up, because I (waited) (since) eight o'clock.
A.
arrived
B.
pretty
C.
waited
D.
since
【单选题】Hello! I'm glad to see you here. When _____ you _____? [ ]
A.
did, arrive
B.
will arrive
C.
have, arrived
D.
are arriving
【单选题】—I’m going to attend your lecture at 9∶30 tomorrow morning. —I regret to tell you that. When you arrive, it will have ended and I ________ questions with my students.
A.
would discuss
B.
will discuss
C.
will be discussing
D.
am discussing
【单选题】_________, they delivered the message as quickly as they could.
A.
Arriving at
B.
On arriving
C.
When arriving
D.
Arrived
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