观察此景，你会如何评判？

与河外星系同一级的天体系统是（   ）

阅读短文，从A、B、C、D四个选项中，选出可以填入空白处的正确答案。
    Look at this picture. It is 1 nice classroom. In the picture, you can see a teacher's 2 on his desk. It's a Chinese book. Eight desks and eight chairs in the room. You can see a girl and 3 boys.
    The girl's 4 is Julia. She is eleven. The boy 5 a black hat is Tom. The other boy is Tony. They 6 the same coats and they are the same age. I 7 they are twins. Tom is a 8 boy. A book is in his hand. You 9 see the teacher . 10 is the teacher? He is taking the photo

据报道，纺织厂下岗工人张某被有关媒体“包装”后，迅速蹿红，一跃成为“营养大师”，由他们策划出版的书籍《把吃出来的病吃回去》销量迅速突破400万册，该书鼓吹人们通过吃绿豆等进行“食疗”。当时，因喝绿豆汤过量导致腹泻的病人有所增加，卫生部称张某的“营养专家”身份系造假。

开学初，老师提出“班级是我家”这样一个共同目标。因为共同目标是（   ）