注意:文中若出现“Jack"以外的人名或任何学校名称,该作文得分不超过12分。
Weekend or Not?
Jack has to attend lots of classes at weekends. He has little time for his favorite sport-soccer. Still, his parents are pushing him to do more math exercises, which worries him a lot.
同学与同学之间正常的关系主要是下列哪一种( )
在我国的青藏高原,大部分地区水的沸点仅为84~87℃,这说明水的沸点随高度的增加而 ____(填“升高”、“降低”或“不变”).在冬季,向保温杯中倒入半杯刚烧开的水,拧上杯盖,过一会儿,杯盖很难拧开,这主要是 ____作用的结果
Little Tom was frozen with fear when the accident happened, so he just gave some ________ answers when asked about what he witnessed.
圆锥的底面半径为4,母线长为8,则这个圆锥的侧面展开图扇形的圆心角为 ( )