皮皮学，免费搜题
登录
搜题
【简答题】
选词填空。 Who What's How What 1. - are you? -Not so good. 2. - time is it now? -It's one o'clock. 3. - is he? -He's my uncle. 4. - colour is it? -It's green. 5. - for lunch? -Some noodles.
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
【简答题】已知生产函数为Q=min(L，2K)， (1)如果产量Q=20单位，则L与K分别为多少? (2)如果价格为(1，1)，则生产10单位产量的最小成本是多少?
【单选题】—Jimmy lost his key yesterday． —_________? It－s his third time in just one month．A．
A.
23． —Jimmy lost his key yesterday． —_________? It-s his third time in just one month． A． Has he
B.
Did he
C.
Was he
D.
Does he
【简答题】试计算下图所示的摩托车里程表中行星轮系的效率。已知z 1 =17，z 2 =68，z 3 =23，z 4 =19，z 4' =20，z 5 =24，每对齿轮的传动效率为0.98。
【单选题】One – fourth of an hour is ______.
A.
25. minutes
B.
15 minute
C.
30 minutes
D.
a quarter
相关题目：
参考解析：
知识点：
题目纠错 0
发布
