问题 选择题

下列以十字花科植物为食的昆虫是(  )

A.棉铃虫

B.蝗虫

C.菜粉蝶

D.七星瓢虫

答案

答案:C

材料分析题

材料:我儿子刚上小学,学习还不错,就是一天到晚丢三落四的,不是忘了带作业本,就是忘了带课本,弄得我整天忙着给他送这送那。先生不让送,说让他吃吃苦头,才能学会对自己的行为负责。这样做能行吗?这是杂志社收到的一封咨询信,因编辑工作太忙,请你代他答复。(150字以内)

                                                                                                                                                              

                                                                                                                                                              

                                                                                                                                                               

                                                                                                                                                               

                                                                                                                                                                

问答题 简答题