马克思主义哲学在中国传播的根本原因是()
A.世界革命的影响
B.中国先进知识分子的介绍
C.它能与中国传统文化相结合
D.它能适应中国社会实践发展的需要
参考答案:D
______, they would certainly come and help us.
A.Had they time
B.Do they have time
C.Had they have time
D.Did they had time
引起塑料或橡胶等合成材料老化的主要物理因素是光、氧、热量、()、()。