Directions: The question below is followed by six choices numbered 260-265. If a choice is correct, mark T in the space provided. If a choice is not correct, mark F. Blacken one circle on your answer sheet for each number.

A client is diagnosed with gout. Which foods should the nurse instruct the client to avoid ？

Liver.（）

小华在学习了《透镜》后，想到了一个问题：如果让平行光通过厚度不同的凸透镜，它们对光线的会聚能力会有什么不同呢？于是他在实验室用一束平行光分别经过凸透镜A、B、C，并得到如图所示的光路图．

根据小华的实验现象，应得到的结论是：______．