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【单选题】
They often spend an hour _____ our lessons every afternoon. [ ]A.
do
B.
to do
C.
doing
D.
to doing
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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.
【多选题】A pair of important concepts closely related to E-language and I-language are ________ respectively.
A.
influence
B.
precision
C.
performance
D.
competence