集体带给我们的温暖有（    ）

①获得安全感                   ②获得归属感   

③体验到集体荣誉感       ④体验到压迫感

假定英语课上老师要求同桌之间交换修改作文，请你修改你同学写的以下作文。文中共有10处语言错误，每句中最多有两处。错误涉及一个单词的增加、删除或修改。

增加：在缺词处加一个漏字符号(^),并在其下面写出该加的词。

删除：把多余的词用斜线（\）划掉。

修改：在错的词下划一横线，并在该词下面写出修改后的词。

注意：1.每处错误及其修改均仅限一词；2．只允许修改10处，多者（从第11处起）不计分

    Yesterday my friend Julia and me had lunch in the Pizza Hut behind our school. I knew Julia wasn't crazy about pizzas, but she came along just because me. At the table next to ours, there were two guys from our class. One of them was real funny. He tried to imitate all the customer in the Pizza Hut. We couldn't stop to laughing. And there were some people whom did not like the fact that two boys were imitating them. They complained to an owner of the Pizza Hut, so he came over and tell them to stop. Seeing it, Julia and I was greatly embarrassed.

2016年我国政府工作报告指出：“围绕解决重点领域的突出矛盾和问题，加快破除体制机制障碍，以供给侧结构性改革提高供给体系的质量和效率，进一步激发市场活力和社会创造力。”上述材料说明供给侧结构性改革（    ）

谷氨酸的R基为—C₃H₅O₂，在一个谷氨酸分子中，含有碳和氧的原子数分别是(     )