题目

 根据首字母或所给出的汉语意思，补全每个句子（每空限一词）。 76. Our English teacher thinks that reading c__________ is important. 77. There are 65 students in my class-more than my p__________ class in Junior High. 78. Secondary school in the US usually __________ (涉及；包含) seven years. 79. His wonderful speech left a deep i___________ on me. 80. She speaks English so f__________ that everyone admires her. 81. She just smiles and a___________ making you feel stupid. 82.Germany and France have both state and private schools. S__________, America has （2009•泉州）如图所示，一棵大树在一次强烈的地震中于C处折断倒下，树顶落在地面B处，测得B处与树的底端A相距25米，∠ABC=24度．（1）求大树折断倒下部分BC的长度；（精确到1米）（2）问大树在折断之前高多少米？（精确到1米）