A:42.8 eV(光子)
B:43.2 eV(电子
C:41.0 eV(电子)
D:54.4 eV(光子)
人用手抓住绳子将水桶提起,手受到拉力的施力物体是( )
In this test, we're asked to write a passage of about ______.
根据拼音写出相应的词语。