28.

47. What can we learn from the passage?

1. New technique ________ , the yields as a whole increased by 20 percent.

40.

15. Not until I shouted at the top of my voice ________ his head.

30.

36.卡特尔将与教育、文化有关的，因知识和经验的积累以及年龄增长而升高的智力称为（ ）。

25.调控性是学生主观能动性的最高表现。（ ）

7. As Commander-in-chief of the armed forces, I have directed that all measures ________ for our defense.

19. Alastair is ______ at crisis management but is no good when it comes to running a settled organization.

17.夸美纽斯在著作《大教学论》中论述了班级授课制。（ ）

42. What can we learn about the study from paragraph 2?