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【单选题】
如果当总体庞大、总体内部结构又非常复杂的情况下,采用下列那种调查方式最合适?A.
普查
B.
重点调查
C.
简单随机抽样
D.
分类抽样
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【单选题】—_____ will you go back from Hong Kong? —In 3 days. [ ]
A.
How long
B.
how far
C.
how soon
D.
how often
【单选题】How long has Hong Lei been a student at the school?
A.
six days
B.
six weeks
C.
six months
D.
six years
【单选题】— ______ do you go to Hong Kong? — I've never been there. [ ]
A.
How often
B.
How soon
C.
How long
D.
How far
【单选题】—_____ do you go to Hong Kong? —Sorry, I've never been there. [ ]
A.
How long
B.
How often
C.
How far
D.
How soon
【简答题】JavaScript提供了两种注释符号,其中单行注释符是(__)。
【简答题】化脓性炎症根据发生的原因和部位不同有______、 ______、______3种类型。
【简答题】How long has Larry taken this job?
【单选题】______ will you go back from Hong Kong? ---In 3 days.
A.
How long
B.
How soon
C.
How often
【单选题】—_______ will you go back from Hong Kong? —In 3 days. [ ]
A.
How long
B.
How far
C.
How soon
D.
How often
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