A.onB.behindC.underD.down
A.on
B.behind
C.under
D.down
- · 有4位网友选择 B,占比40%
- · 有4位网友选择 D,占比40%
- · 有2位网友选择 A,占比20%
A.on
B.behind
C.under
D.down
A.3 minutes.
B.45 minutes.
C.30 minutes.
D.10 minutes.
A.perfections
B.presence
C.preferences
D.references
A.Right
B.Wrong
C.Not Mentioned
A.at the back of
B.behind
C.in front of
D.in the front of
A.Right
B.Wrong
C.Not mentioned
A.Intel International Science and Engineering Fair
B.The enthusiasm for solving problems
C.The young researchers" passion
D.An invention increasing pedal power
E.Why people avoid biking in Pittsburgh
F.The cause of national disaster
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