问题 单项选择题

电梯的开门机构安装在()处。

A.轿底的门口

B.轿壁的门口

C.轿顶的门口

D.层门侧

答案

参考答案:C

探究题

上海亚太经合组织(APEC)领导人会议上,各国首脑身着色彩斑斓的“唐服”引起了世人的关注。看看现实,想一想历史,各国为什么会把中国人称为唐人?

                                                                                                                                                            

                                                                                                                                                            

                                                                                                                                                            

                                                                                                                                                            

                                                                                                                                                            

问答题 简答题