Twenty students were chosen___to take part in the experiment A.by accident B .one handC.in practice D at random为什么不是C?
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Twentystudentswerechosen___totakepartintheexperimentA.byaccidentB.onehandC.inpracticeDatrandom为什么不是C
Twenty students were chosen___to take part in the experiment A.by accident B .one handC.in practice D at random为什么不是C?
Twenty students were chosen___to take part in the experiment A.by accident B .one hand
C.in practice D at random
为什么不是C?
Twenty students were chosen___to take part in the experiment A.by accident B .one handC.in practice D at random为什么不是C?
二十个学生被随机的选出.
at random随机的,任意的
in practice 实际上
I felt deeply that the school days were really nice to me. I could a advertisement n goodbye (bye-bye) interj R advice n goose (pl.
at random意思是随机,为什么会选in practice不和语义
in practice 意思是‘实际上’。at random意思是‘随意地’。根据句意应选D.
按照常理,实验结果的精确性与实验对象的选取密切相关。为了保证实验结果具有说服力,实验对象都应该“随意”,“随机”选取。如果带了个人喜好或是色彩就会失去意义。
About twenty students were killed in the traffic accident,________ (include) two teachers.前边是students 后边是teachers
Twenty students were chosen___to take part in the experiment A.by accident B .one handC.in practice D at random为什么不是C?
高一英语单选求解twenty students wanted to skip history class,but only two thirds____ permissiona.has been givenb.given c.were givend.was given
some students were late
some students were late
Would you like some dumplings?(肯定回答) There were twenty girl students in our class last term.(划Would you like some dumplings?(肯定回答)There were twenty girl students in our class last term.(划线提问)We are going to play football thi
There were twenty-five什么意思
The students were very h_____ .
The students were fast (sleep).
The students do morning exercises for twenty minutes every morning 对for twenty minutes提问
英语的一篇完型 ...For the past two years,I have been working on students’ evaluation of classroom teaching.I have kept a record of informal conversations 67 some 300 students from at 68 twenty-one colleges and universities.The students were
the other twenty percent of the students和another twenty percent of the students有区别吗
there were twenty cars in the race?针对twenty做提问
Twenty.
some students were late for school,---?
How many students were there in your
More students than one were punished.翻译
Who were the students with today