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【单选题】
一个物体沿着斜面匀速下滑 ,以下选项中不是该物体受力的是( )A.
重力
B.
支持力
C.
摩擦力
D.
下滑力
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举一反三
【单选题】The viruses closely related to cervical cancer are ( )
A.
EBV
B.
HPV
C.
HBV
D.
CMV
E.
HSV
【单选题】The concept of prejudice is most closely related to:
A.
behaviour modification.
B.
stereotyping.
C.
Johari Window.
D.
attribution process.
E.
social learning theory.
【单选题】A fungus closely related to Penicillium and used to make soy sauce (shoyu) is .
A.
Aspergillus.
B.
Rhizopus.
C.
Pilobolus.
D.
Agaricus campestris.
E.
Physcia.
【单选题】Traditionally, the annelids have been considered closely related to( ).
A.
echinoderms
B.
hemichordates
C.
arthropods
D.
chordates
E.
poriferans
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