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
Jeremy Lin is a man with a strong will. After repeated_______ he finally succeeded in his career.
#13185
A
announcements
B
decision
C
remarks
D
attempts
All the pictures in this book, ______ otherwise stated, come from those taken by Miss Brown.
#11841
A
unless
B
until
C
even if
D
as if
He felt very sad that though he worked very___indeed,he was not able to jump____.
#11811
A
hardly; high
B
hard; high
C
hardly; highly
D
hard; highly
It is said that there are millions of camels in India and _______ of them is growing.
#12314
A
a great number
B
the number
C
a lot
D
a good many