单项选择题

Questions 15-18

A．There are not equal numbers of males and females.
B．The sample pool is too small.
C．The questionnaire survey fails to include enough questions.
D．The students didn’t give definite answers to the questions.
<上一题 目录 下一题>
热门 试题

单项选择题
It can be inferred that Americans being approached too closely by Middle Easterners would most probably ______.
A．stand still
B．jump aside
C．step forward
D．draw back
问答题
据悉，一艘承载至少200名乘客的超载渡船在印度尼西亚中部沉没。至少有5名乘客已证实死亡，120余名人员正在医院接受治疗。
相关试题