【单选题】The author says that in the current world, Sesame Street______.
A.
has slight edge over other shows targeting children
B.
has made some changes so as to keep up with the times
C.
tries to cater to adults who accompany their children to the show
D.
is doomed to fail due to its out-dated content and presentation
【单选题】自身反应性 T 淋巴细胞通过哪种机制被清除?
【判断题】鞋底花纹特征主要用于美观,与防滑耐磨关系不大。
【判断题】电子会议法的缺点是因为匿名而不能奖励优秀专家。
【简答题】Why has “Sesame Street” been called “the longest street in the world”?