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【单选题】
关于样本的叙述,下列哪正确的A.
调查时样本含量越大越好
B.
使用更少的样本以便节省人力和物力
C.
调查时根据人力和物力来确定样本量
D.
调查时应用适合的样本量
E.
根据研究者的意愿来确定样本量
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反馈参考答案：
举一反三
【单选题】Whom _______ the book _______? [ ]
A.
does; belong
B.
does; belong to
C.
is; belonged to
D.
do; belong to
【单选题】the beautiful dresses to the women?
A.
Are；belong
B.
Are；belonging
C.
Do；belonging
D.
Do；belong
【简答题】看图，判断正(√)误(×)。 ( ) 1. This is an apple. ( ) 2. This is a pear. ( ) 3. This is a watermelon. ( ) 4. This is a pear. ( ) 5. This is an orange.
【简答题】小题1:Do the umbrellas belong to those _____________(邮递员)? 小题2:I introduced Lucy to Mike and now they’re _____________(已婚的). 小题3:Is the wooden house hidden _____________trees? (在……中) 小题4:The charity wal...
【单选题】—Whose dictionary is this? —It must ____Tom. I saw him using it yesterday. [ ]
A.
belong to
B.
belong
C.
be belonged to
D.
be belong
【简答题】Identify the words that do not belong to the same semantic field as the others in the set.
相关题目：
【单选题】the beautiful dresses to the women?
A.
Are；belong
B.
Are；belonging
C.
Do；belonging
D.
Do；belong
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