问题 单项选择题

佝偻病初期治疗量

A.维生素D 400IU~800IU
B.维生素D 5000IU~10000IU
C.维生素D310万IU
D.维生素D320万IU
E.维生素D330万IU

答案

参考答案:B

材料分析题

青春误区 异性冲突

为集体加油 互学互助

以上是男女生交往中的部分情景。阅读情景图回答以下问题:

(1)男女生正常交往有何益处?

                                                                                                                                                               

(2)你认为男女生应该怎样正常交往?

                                                                                                                                                               

                                                                                                                                                              

(3)你欣赏怎样的男生(女生)?请写出来与大家分享。

                                                                                                                                                             

                                                                                                                                                            

多项选择题