皮皮学，免费搜题
登录
搜题
【简答题】
比例是指 和 相应要素的线性尺寸之比。
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】工商界是金砖国家经济发展的主力军，中方在今年5月成功主办“一带一路”国际合作高峰论坛，共建“一带一路”倡议不是地缘政治工具，而是（）平台；不是对外援助计划，而是（）的联动发展倡议。
A.
务实合作；共商共建共享
B.
务实创新；合作发展共享
C.
协调发展；共享共建共发
D.
绿色发展；合作发展创新
【单选题】The policeman warned the driver _______too fast. It was very dangerous.
A.
to drive
B.
not to drive
C.
driving
D.
not driving
【判断题】The driver repeated that he should have kept in touch because he was very regretful.
A.
正确
B.
错误
【简答题】已知某一时期内某商品的需求函数为Q d =50-5P,供给函数为Q s =-10+5P。 ( 1 )求均衡价格P e ,和均衡数量Q e ,并作出几何图形 (2)假定供给函数不变,由于消费者的收入水平提高,需求函数变为Q d =60-5P求出相应的均衡价格 P e ,和均衡数量 Q e ,并作出几何图形。 (3)假定需求函数不变,由于生产技术水平提高,供给函数变为Q s =-5+5P。求出相应的均...
【简答题】work we eat lunch the can.
【简答题】The driver was very __________ (thank) to the policeman for his help.
【单选题】Mr. Simpson stopped at the pedestrian crossing because
A.
the lighting was very good along the stretch.
B.
he was riding with two ladies at the moment.
C.
he wanted to ensure the safety of two passers-by.
D.
he was a new driver who tends to be cautious.
【单选题】Since there was very heavy traffic on the main road, the driver took a ____street.
A.
wide
B.
single
C.
side
D.
near
相关题目：
参考解析：
知识点：
题目纠错 0
发布
