由于进口是国民收入的递增函数,所以净出口是国民收人的递减函数。
参考答案:错
It was believed by the ancient Egyptians that intellect was to the mind ___sight was to the body.
A.what
B.so
C.that
D.like
You are growing so fast. Can you tell me _____ now?[ ]
A. how fast are you
B. how fast you are
C. how tall are you
D. how tall you are