题目

71. I have some problems with my English writing. Can you give me some a______? 72. New Year’s Day is the first day of J______. 73. The boy is shy. He is a_____ of speaking English in front of his classmates. 74. My English teacher has lots of teaching e______ in the junior high school. 75. My mother is too busy and can’t go. My father will go i______. 76. The weather report said that the t______ would fall below zero this evening. 77. It was my brother’s birthday yesterday, and he r_____ many presents. 78. To our s______, Lucy failed her Chinese exam. We thought she did well in 11．小明在一次郊游时拾到一块疑似玉石的小物件，小明想知道“玉石”的质量，于是带回学校，用天平进行测量．当天平平衡时所用砝码和游码的位置如图所示．该天平的感量为0.2g；如果将该“玉石”通过宇航员带到月球上，它的质量为16.4g．