【简答题】体内两种主要的环核苷酸是 、 ,在细胞内起第二信使的作用。
【简答题】玲玲是小班的一位孩子,她在幼儿园的时候小便的时候,总有几个男孩子喜欢看女孩子小便还捂嘴笑。她对男孩子的行为很不解,就问老师:“他们为什么总盯着我们看?他们笑什么呢?” 如果你是老师,你会如何引导玲玲和班上的孩子呢?
【单选题】_______Susan gets onto the top of a tall building, she feels very much frightened.
【单选题】______Susan gets onto the top of a tall building, she will feel very much frightened.
【单选题】Susan never gets upset when she has to wait in line .She is very ——.
【单选题】__________ Susan gets onto the top of a tall building, she will feel very much frightened.
【单选题】What does Lisa tell Susan to do when she gets to the office?
C.
Have the receptionist page her
D.
Leave the package at the front desk