【多选题】自身不能合成维生素C 的实验动物是______。
【简答题】目前常用的手动综合验光仪的杰克逊交叉柱镜()红点表示()柱镜的轴。
【简答题】目前常用的手动综合验光仪上的杰克逊交叉柱镜(JCC),红点表示()柱镜的轴。
【简答题】完型填空。 My 1 is Mary. I 2 eleven. Ted is my friend. 3 is thir. We 4 in the same school. My 5 is a teacher. She is a teacher in 6 school. My dad is a teacher, 7 . He is an 8 teacher in a college (大学)...