题目

语法选择 It was near Christmas during my first term teaching at a new school. I love my small special class more than any group I had taught in the past. They were hungry for knowledge and I was enjoying ___1____ them. At the beginning of the term, __2___ teachers had told me that our children were from poor families and not to expect any child to bring _3___ Christmas gift. In fact, I wasn’t expecting any gifts. Imagine my surprise when every child __4___ me a gift on the day before our holiday break. First , I got a much-loved stuffed monkey from a shy girl. I was told, “He is取某种植物生长状态一致的新鲜叶片，用打孔器打出若干片，圆片平均分成甲、乙、丙三组，每组各置于一个密闭装置内，并分别给予a、b、c三种不同强度的光照，其他条件一致。照光相间时间后，测得各装置内氧气的增加量如图所示，下列叙述错误的是                                   （    ） A．装置内增加的氧气来自于水       B．光照强度为0时，植物只进行暗反应，不进行光反应       C．丙组装置内的CO2含量照光后比照光前低       D．该图反映了光合作用强度与光照强度的关系  、