第1题
A、(0,2,2)'
B、(0,2,4)'
C、(0,0,4)'
D、(0,0,2)'
第3题
A、slip stream
B、slipstream stream
C、stream slip stream
D、slipstream slip stream
第7题
A、$21,990 balance at bank as stated
B、$3,670 balance at bank
C、$11,390 balance at bank
D、$3,670 overdrawn
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