41.I have no alternative ______ to arrive late.

55.After we paid the oranges we harvested, we headed back home. 

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.

54.Zuffi describes Morandi as one of the most intimate and poetic expressionists of European art in the central decades of the 20th century.

44.I ______ not being able to return their invitation.

4.中学生情绪发展的特点有（ ）。

二、多选题（30分）31.His words ______ a threat.

12.The factory produces half a million pairs of shoes every year, 80% _______ are sold abroad.

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

51.I think work for a newspaper and reporting from all over the world are really exciting. 

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

10.考试作弊属于学生不良品德行为。（ ）