题目

Most Americans don't like to get advice __1__members of their family. They get advice from “__2__(strange)”. When they need advice, they don't usually go to people they know. __3__ many of them write letters to newspapers and magazines __4__ give advice on many different subjects，__5__(include) family problems, the use of language, health, cooking, child care, clothes, and even on how __6__(buy) a house or a car. Most newspapers regularly print letters from __7__(read) with problems. Along with the letters __8__ are answers written by people who are supposed to know how to solve 由两组凸透镜组成的望远镜，关于它的物镜和目镜的成像原理，下列说法中正确的是（　　）A．物镜成像原理与放大镜成像原理相似B．物镜成像原理与照相机镜头成像原理相似C．物镜成像原理与投影仪镜头成像原理相似D．目镜成像原理与投影仪镜头成像原理相似