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【单选题】
( )是将总体各单位编上序号并将号码写在外形相同的纸片上掺合均匀后,再从中随机抽取,被抽中的号码所代表的单位,就是随机样本,直到预先规定的样本数目为止。
A.
直接取样法
B.
抽签法
C.
随机数表法
D.
任意取样法
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【简答题】The machine looked like a large, ___, o?/The machine looked like a large, ___, old-fashioned typewriter. A) forceful            B) clumsy         C) intense                 D) tricky
【单选题】The culture and customs of America are more like ______ of English than of any other country.
A.
that
B.
what
C.
which
D.
those
【单选题】已知: var test = { x1 : [1, 2, 3, 4, 5], x2 : 'hello', x3 : { y1: false, y2: null, } } 以下哪句可以在Console控制台输出y1的值? console.log(test.x3.y1) console.log(test[0].x3.y1) console.log(x3.y1) console.log(y1)
A.
console.log(test.x3.y1)
B.
console.log(test[0].x3.y1)
C.
console.log(x3.y1)
D.
console.log(y1)
【简答题】Please be advi sed that Nairobi like any other large city has a security and crime problem. However, if you observe the following guidelines you will have a trouble-free stay here: 1. Do not we...
【简答题】The machine looked like a large, ___,?The machine looked like a large, ___, old-fashioned typewriter. A) forceful            B) clumsy         C) intense                 D) tricky
【单选题】Do you like ______ milk? Would you like ______? [     ]
A.
some, any
B.
any, some
C.
any, any
D.
some, some
【简答题】The machine looked like a large, ___, old-fashioned typewriter. A) forceful            B) clumsy         C) intense                 D) tricky
【简答题】The machine looked like a large, ,?The machine looked like a large , ,old-fashioned typewriter. A) clumsy         B) tricky           C) forceful           D) intense
【单选题】Please be advised that Nairobi like any other large city has a security and crime problem. However, if you observe the following simple guidelines you will stay and have a trouble-free seminar (研讨会): ...
A.
the Nairobi city government
B.
the police of the Nairobi Airport
C.
the organizer of the seminar
D.
Kennedy Hongo, a detective
【单选题】社会主义核心价值观中公民个人层面的价值要求是( )
A.
富强、民主、文明、和谐
B.
自由、平等、公正、法治
C.
爱国、敬业、诚信、友善
D.
团结、互助、改革、创新
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