中 * * 主义青年团团徽,是中 * * 主义青年团的标志,它象征着共青团在马克思列宁主义、毛 * * 思想的光辉照耀下,团结各族青年,朝着党所指引的方向奋勇前进。
参考答案:对
— Why are you so popular with your students?
— As a teacher, I seldom give my students so difficult a problem ____ they cannot work out.
A.as
B.that
C.if
D.which
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