It can be concluded that science education has reached a new phase of development.

2023-07-03

A: grade
B: class
C: standard
D: stage

参考答案:D

句意:可以概括地说,科学教育已经发展到了一个新阶段。phase意为“阶段,时期”。grade意为“等级”; class意为“阶级”; standard意为“标准”; stage意为“时期,阶段,程度”。