下图表明:洗衣机在市场中处于________的状况。[ ]
A、供求平衡
B、供不应求
C、供过于求
D、价格上涨
答案:C
— There is still a copy of the book in the library.Will you go and borrow ________?
— No, I'd rather buy ________in the bookstore.[ ]
A. it; one
B. one; one
C. one; it
D. it; it
对某地区传染病控制进行规划,主要要考虑当地居民的()
A.需要
B.需求
C.其他因素
D.A+B
E.A+B+C