皮皮学，免费搜题
登录
搜题
【单选题】
在相同线电压作用下,同一台三相交流电动机作三角形联结所产生的功率与作星形联结所产生功率之比是A.
/1
B.
1/3
C.
1/
D.
3/1
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】--- _____ does your father usually go to work? ---By car.
A.
How
B.
What
C.
How often
【单选题】— does your grandfather go fishing? —On Saturday. [ ]
A.
How long
B.
How often
C.
How
D.
When
【单选题】— ? —She often takes a walk after dinner. [ ]
A.
What does your mother do
B.
How does your mother relax
C.
What is your mother doing
D.
Where is your mother going
【单选题】-- does your cousin go to the gym? -- Twice a week.
A.
How long
B.
How often
C.
How soon
【单选题】--- does your sister go skateboarding? --- Every day.
A.
How long
B.
How many
C.
How much
D.
How often
【单选题】—________does your father paly tennis after work? —Every Tuesday and Thursday.
A.
How often
B.
How soon
C.
How long
相关题目：
参考解析：
知识点：
题目纠错 0
发布
