题干
.
What a table! I’ve never seen such a thing before. It is _____ it is long.
What a table! I’ve never seen such a thing before. It is _____ it is long.
A：half not as wide a
B：wide not as half a
C：not half as wide a
D：as wide as not half
答案(点此获取答案解析）
C
，g（x）是二次函数，若fg（x）的值域是0，+∞），则g（x）的值域是（ ）