皮皮学，免费搜题
登录
搜题
【单选题】
以下是消费者均衡的条件之一的是A.
PX·X=PY·Y
B.
PX/PY=MUX/MUY
C.
PX/PY=MUY/MUX
D.
以上都不对
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】I used to be terrified of _____ an airplane. [ ]
A.
fly on
B.
flying in
C.
to fly in
D.
fly by
【单选题】If I were a bird, I ______ in the blue sky. [ ]
A.
will fly
B.
fly
C.
would fly
D.
flew
【单选题】Sarah Brightman, ________ will fly to space in 2015, is the first woman to fly there in the field of music.
A.
who
B.
that
C.
which
D.
whose
【单选题】It is a delight to fly at the Pole because there______.
A.
planes fly higher than at the equator
B.
the eyes can reach about 4,000 meters
C.
planes are clear of bad weather
D.
planes fly more quickly than at the equator
【简答题】A．The direction to fly in. B．The distance to fly. C．The height to fly. D．The kind of food to find.
相关题目：
参考解析：
知识点：
题目纠错 0
发布
