【单选题】It can be inferred that the author's views the superficial appropriation of the Catholic religion as which of the following?
【单选题】The Catholic often discuss the______ of abortion. They consider that it's necessary to forbid such behaviors.
【单选题】若51单片机单片机的晶振频率为6MHz,则其机器周期为()。
【简答题】传感器由哪几部分组成,说明各组成部分的作用。