问答题

智慧树知到《制浆造纸原理与工程》章节测试答案-2

答案： A.绿光

B.红光

C.蓝光

D.紫外线

你可能感兴趣的试题

多项选择题

Which of the following statements are correct about educational technology.
A、A Educational technology will totally replace the real class and teachers in future
B、B Internet helps lots of learners to acquire English without stepping out of their own country
C、C Educational technology helps to reduce to gap of education in cities and rural places
D、D Teachers should avoid the application of technology in English class

智慧树知到《制浆造纸原理与工程》章节测试答案-1

答案：绪论单元测试

1、东汉时，公元105年，蔡伦总结西汉以来的造纸技术并加以改进，开创了以树皮、破布、麻...