The problem requires ______.A．studying with great careB．to study carefullyC．to

题干

The problem requires ______.

A．studying with great care	B．to study carefully
C．to be studied without carelessness	D．taking great care of studying it

上一题下一题 0.64难度单项选择更新时间:2010-06-18 10:17:20

小学学科试题库

初中学科试题库

高中学科试题库