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【判断题】
抽样极限误差和抽样平均误差的大小是不确定的。
A.
正确
B.
错误
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参考答案：
举一反三
【单选题】—Kim, I haven’t seen your mother for so long, where is she? —Oh, she ________________ England to learn further studies(深造). She left a month ago.
A.
have been to
B.
has gone to
C.
has been in
D.
have been
查看完整题目与答案
【简答题】One day， little Mike's mother went to the river to do some washing.Before she left, she said to him: “Mike,while I am away, stay near the door and watch it all the time! ”She said this because she was...
查看完整题目与答案
【单选题】Your mother has left your clothes there _____ for you to wash yourself.
A.
with a porpose
B.
on aim
C.
on purpose
D.
with an aim
查看完整题目与答案
【简答题】If you had only three years left to live, how would you spend your time? It’s a hard question and few of us would even like to think about it. But 18-year-old Huang Ge has to answer this question and ...
查看完整题目与答案
【单选题】Read the sentences and choose the correct ones.Brenda has just moved to a new school and has made a new friend, Paula. They are sitting in a snack bar after school talking.Paula asks Brenda," Tell me ...
A.
Brenda has no siblings.
B.
Brenda's sister is called Paula.
C.
Brenda has a sister who is much older and has left home.
D.
Brenda lives with her mother.
查看完整题目与答案
【多选题】脊柱损伤后如果不锻炼会出现哪些并发症
A.
软组织粘连
B.
脊柱各关节活动性减退
C.
腰背部慢性疼痛
D.
骨质疏松
E.
腰背肌废用性萎缩
查看完整题目与答案
【单选题】— Andy, 　　　 your mother 　　　 the bookshop yet? — Yes. She left ten minutes ago.A．has; been toB．has; g
A.
— Andy, ____ your mother ____ the bookshop yet? — Yes. She left ten minutes ago. A．has; been to
B.
has; gone to
C.
has; been in
D.
did; went to
查看完整题目与答案
【单选题】Your mother has left your clothes there _________ for you to wash by yourself.
A.
with a purpose
B.
on purpose
C.
on aim
D.
with an aim
查看完整题目与答案
【单选题】下列哪项属于仓储空间共享?
A.
Cargomatic 连接运货商与货车载货不满的司机
B.
Flexe 连接有闲置储位的出租者和需要仓库空间的承租者
C.
Floow2 连接有闲置生产设备的出租者和需要租赁设备的承租者
D.
德国搭建了有冗余加工能力的企业与客户之间的网络交流平台
查看完整题目与答案
【单选题】"Who often () you with your homework in your home?""My mother."
A.
leave
B.
leaves
C.
has left
D.
left
查看完整题目与答案
相关题目：
【单选题】—Kim, I haven’t seen your mother for so long, where is she? —Oh, she ________________ England to learn further studies(深造). She left a month ago.
A.
have been to
B.
has gone to
C.
has been in
D.
have been
查看完整题目与答案
【简答题】One day， little Mike's mother went to the river to do some washing.Before she left, she said to him: “Mike,while I am away, stay near the door and watch it all the time! ”She said this because she was...
查看完整题目与答案
【单选题】Your mother has left your clothes there _____ for you to wash yourself.
A.
with a porpose
B.
on aim
C.
on purpose
D.
with an aim
查看完整题目与答案
【简答题】If you had only three years left to live, how would you spend your time? It’s a hard question and few of us would even like to think about it. But 18-year-old Huang Ge has to answer this question and ...
查看完整题目与答案
【单选题】Read the sentences and choose the correct ones.Brenda has just moved to a new school and has made a new friend, Paula. They are sitting in a snack bar after school talking.Paula asks Brenda," Tell me ...
A.
Brenda has no siblings.
B.
Brenda's sister is called Paula.
C.
Brenda has a sister who is much older and has left home.
D.
Brenda lives with her mother.
查看完整题目与答案
【多选题】脊柱损伤后如果不锻炼会出现哪些并发症
A.
软组织粘连
B.
脊柱各关节活动性减退
C.
腰背部慢性疼痛
D.
骨质疏松
E.
腰背肌废用性萎缩
查看完整题目与答案
【单选题】— Andy, 　　　 your mother 　　　 the bookshop yet? — Yes. She left ten minutes ago.A．has; been toB．has; g
A.
— Andy, ____ your mother ____ the bookshop yet? — Yes. She left ten minutes ago. A．has; been to
B.
has; gone to
C.
has; been in
D.
did; went to
查看完整题目与答案
【单选题】Your mother has left your clothes there _________ for you to wash by yourself.
A.
with a purpose
B.
on purpose
C.
on aim
D.
with an aim
查看完整题目与答案
【单选题】下列哪项属于仓储空间共享?
A.
Cargomatic 连接运货商与货车载货不满的司机
B.
Flexe 连接有闲置储位的出租者和需要仓库空间的承租者
C.
Floow2 连接有闲置生产设备的出租者和需要租赁设备的承租者
D.
德国搭建了有冗余加工能力的企业与客户之间的网络交流平台
查看完整题目与答案
【单选题】"Who often () you with your homework in your home?""My mother."
A.
leave
B.
leaves
C.
has left
D.
left
查看完整题目与答案
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