( )is the dividing line between the South and North of America.

单选题

( )is the dividing line between the South and North of America.

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单选题

The traditional dividing line in America between “east” and “west” is _____.

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单选题

I couldn’t get through — the line is _______________.

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单选题

Center of gravity is the point at which an airplane would balance if suspended .Its distance from the reference datum is found by dividing the total moment by the total weight of the airplane.

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问答题

s of death:the kind that comes so soon,and the kind that,though lamentable,at least feels age-appropriate.When someone young passes away,the blow is made worse by all the might-have-beens-what the deceased could have done,seen,and accomplished if only given more time.When the very old die,however,the loss-while still terrible for their loved ones-doesnt come with the same sense of unfulfillcd potential.It was his timeis the phrase that so ofien applies,or,She lived a full life.But the definition

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