The number of the disabled Americans went up for so long that the trend of falling out of the labor force seemed like it might be______。

单选题

Since the turn of the century，the number of native Americans living IN canada（）

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单选题

ON THE A320, THE NUMBER OF POTABLE WATER DRAIN PANELS FITTED ON THE AIRCRAFT IS：

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多选题

Which of the following is not the flight number of Air China?

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单选题

( ) is the defining properties of units like number， gender， case.

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问答题

If the part number is unknown，Refer to illustration Fig. 1 and find the figure item number of the part. Record the figure item number. Turn to the figure parts list and find the related part number.

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