题干
- Who plays the violin ______, Sally or Kylie?
- Sally. But she gave the chance to Kylie.
A：well
B：better
C：best
D：the best
答案(点此获取答案解析）
B
- Who plays the violin ______, Sally or Kylie?
- Sally. But she gave the chance to Kylie.
A：well
B：better
C：best
D：the best
时，
恒成立（
为函数g(x)的导函数）；②对任意x∈R都有g(x)=g(-x)。又函数f(x)满足：对任意的x∈R都有f(
+x)=
成立，当x∈
,
时，f(x)=
。若关于x的不等式
)对 x∈-
-2