题目

阅读下面两篇短文，在空白处填入1个适当的单词或括号内单词的正确形式。AWhen I was in primary school, I didn’t like going to school. I had 【1】 (difficult) in reading and writing and I always could not answer the teacher’s questions 【2】 (correct). I cried a lot because I 【3】 (laugh) at by my classmates. My parents would always get mad at me. I felt very upset and didn’t have any interest【4】 study.But then one day, I decided【5】 (change) my attitude towards study. 【6】I ended up paying more attention in class and I started to practice my v如图为显微镜结构图，请根据图回答下列问题．（1）填出下列番号所示的名称．【b】    ．【d】    ．【g】    ．（2）若在装片上写有字母“p”，用显微镜观察时，会看到放大的图象形状是    （3）视野右上方的物像，应将装片向    移动就能将观察到的物像移到视野中央．要大范围的升降镜筒需要转动图【g】    ．（4）在显微镜下观察到一个气泡，判定它是气泡的理由是    ．（ 5）在观察时，当【C】由10×转换为40×时，视野的亮度变化为    ．（6）用下列显微镜镜头组合观察同一张洋葱表皮细胞装片，在显微镜视野中 看到的细胞体积最大的组合是    ．A．目镜5×物镜40×B．目镜 5×物镜10×C．目10×物镜40×D．目镜10×物镜10×