问题
选择题
下图为电子显微镜视野中观察到的某细胞的一部分结构,下列关于该细胞的叙述正确的是

A.图中①具有双层模,是进行光合作用的场所
B.图中②是中心体,该细胞可能是动物细胞
C.图中③是高尔基体,在动物细胞中有分泌功能
D.图中④是核糖体,是合成蛋白质的场所
答案
答案:B
下图为电子显微镜视野中观察到的某细胞的一部分结构,下列关于该细胞的叙述正确的是
A.图中①具有双层模,是进行光合作用的场所
B.图中②是中心体,该细胞可能是动物细胞
C.图中③是高尔基体,在动物细胞中有分泌功能
D.图中④是核糖体,是合成蛋白质的场所
答案:B
I once worked in a charter school(特许公立学校).There students with serious problems were put in ___ .So when the year ended in May,only ____students sitting in the classes had been there since the doors____ in August. Chad was one of them.He started out in my first semester ___ class.He had taken the course twice already ____ earning a credit(学分),which was ____ at the school.He was too excited at times but fairly bright,and he never ____ a day of school during the first semester.Chad earned credit for first semester Spanish and moved on to the second. I noticed a huge ____ in him when he returned from Christmas vacation.He was quieter and worked harder.I was ____ by his big improvement.Towards the end of the spring semester,Chad missed several weeks of school.When he returned.He told me he was soon being sent to “yearround school”. I ____ the “yearround school” was prison.I was _____ to learn that he had broken into someone's house.____ I wanted to give him an award,some teachers said,“You should give the award to someone else.” I considered it.____ in the end I decided to ____ Chad only on what he had done in my class. Chad's sentencing had been delayed, and he ____ to school that day.He ___ reacted when I gave him an award for Most Improved.He hugged me ____ and said,“Thank you.Now I have___to show my mom.” Chad didn't finish second semester Spanish,and he never got ____ for the course.But I'd like to think that ____ made a difference in his life.
|