需求量的变动表现为()
A. 整个需求曲线移动
B. 需求曲线斜率变大
C. 沿同一条需求曲线上下移动
D. 以上都不对
some people have birthday cakes ________noodles.
A. instead
B. instead for
C. instead to
D. instead of
is he ________ his girlfriend was once a thief?
A. aware of
B. aware that
C. knowing that
D. aware of that
1. we should ________ a good study habit of taking notes in class.
A. develop
B. improve
C. make
D. remain