题目

用括号内所给动词的正确形式填空【1】-Why do you buy so many flowers， Justin？-______（celebrate） my mother's birthday．【2】-Bad luck! My watch doesn't work well．-Take it easy． It just needs______（repair）．【3】-Why are you still waiting here？-Doctor Yu promised to attend the party， but he______（not appear）．【4】Zhu Ting， one of the best volleyball Players of China， says she will return whenever she______（need）．【5】-Do you want to go to the talk on recycling？-Great! I______（look） for some information for my article on the topic9．如图为反射弧的结构模式图．下列有关叙述正确的是（　　）A．若如图表示膝跳反射的反射弧，则c代表脊髓中的神经中枢B．若如图表示听到铃声进入教室的反射弧，则c代表耳的鼓膜C．若如图表示看见酸梅分泌唾液的反射弧，则c代表眼球的视网膜D．若如图表示维持身体平衡的反射弧，则c代表的神经中枢位于脑干