学前儿童心理发展的趋势是()。

单项选择题吊具选择必须保证吊索受力均匀。 A、正确 B、错误

单项选择题12. What does a university degree is no longer a qualification as distinctive as it once was in the second paragraph mean? A、A. In the past, having a university degree was a necessary qualification for people. B、B. In the past, the quality of a university degree was much higher than it is now. C、C. Now, having a university degree cannot prove a person is so outstanding. D、D. Now, having a university degree is quite common among young people.