6.学习是人类独有的现象。（ ）

14.The _______ of the Titanic was found in September 1985, but recovering it is a very difficult prospect.

32.Just ______ he caught the ball, there was a tearing sound.

48.The 42% of Americans who have at least one step-relative typically feel a stronger sense of obligation to their biological parent, child or sibling than to their step-relatives.

4.学生是自我教育的主体。（ ）

5.“陵节而施”出自《礼记·学记》中的“不陵节而施之谓孙”，这向话指的是教育要遵循个体发展的（ ）。

8. The police had difficulty in _______ the fans from rushing on to the stage to take photos with the singer.

41.I have no alternative ______ to arrive late.

40.I think you would ______ further study.

19.If the _______ is correct, the spacecraft should reach the moon on Monday.

53.My parents think being a journalist is a dangerous job, but I’m not scared of. 

13.John _______ me he was going to help me with my English.