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[单选题]
Scientists discovered they could measure wind speed by _______ a wind meter to a kite
A.associating
B.attaching
C.assisting
D.applying
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A.associating
B.attaching
C.assisting
D.applying
A.what;that
B.that;that
C.what;what
D.that;what
ay to discover truth.
A.ln case of
B.Regardless of
C.ln the event of
D.Despite of
A.versions
B.volumes
C.editions
D.issues
A) inform.
B) informing
C) informed
D) to inform
A.challenged
B.classified
C.commented
D.calculated
A.state
B.volume
C.shape
D.purpose
A.announced
B.appeared
C.appealed
D.approached
A.for
B.beyond
C.within
D.by