Research shows that humans ______ from selfish to unselfish behavior when they are watched.
#11684
A
tell
B
switch
C
range
D
distinguish
推荐题目
The old man said the accident ________careless driving，so a lot of money ________be paid by the driver.
#14089
A
was due to；was due to
B
due to；was due to
C
is due to；has due to
D
is due to；was due to
Lydia doesn’t feel like _____ abroad. Her parents are old.
#13694
A
study
B
studying
C
studied
D
to study
David paused to consult his notes, and then _______ with his speech.
#13554
A
proceeded
B
pursed
C
pronounced
D
proposed
— How about your journey to Mount Emei?— Everything was wonderful except that our car _______ twice on the way.
#13314
A
slowed down
B
broke down
C
got down
D
put down
Many dog owners treat their pets like human beings, ________ if they do not have children of their own.
#11770
A
absolutely
B
especially
C
eventually
D
extremely