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问题
选择题
258+98可以这样算[ ]
A．258+100+2
B．258+100-2
C．258-100+2
答案
答案：
B
单项选择题
TK表示（）.
A、航向角
B、航迹角
C、偏流角
D、飞机重心在地面的投影移动轨迹
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选择题
Which of the following sentences is wrong?
A. When he was five, he had to look after his sister.
B. At the age of fifteen years old, he left school.
C. He won a gold medal at the last Olympic Games.
D. The boy doesn't play computer games anymore.
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