题目内容

通过地面上一点的磁子午线的切线方向即为该点的磁子午线方向。它可以用天文测量或陀螺经纬仪测定。

A. 对
B. 错

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请列出你或你家人或你朋友的健康行为和危害健康行为。注意：一定是某个特定的人，健康行为和危害健康行为至少各列出8项。

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A. He
B. rode
C. to
D. get
E. a
F. cone

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A. dog
B. had
C. a
D. bone
E. hole
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A. Do
B. not
C. put
D. the
E. hose
F. on
G. rose