题目

A Diet Without Enough Protein Can Cause DepressionDepression is a condition so common. 【1】 The World Health Organization (WHO) calls it “a leading cause of disability.” Difficulty in falling asleep, loss of appetite, and loss of ability to concentrate are just a few of the other effects of depression. While life events such as the loss of a spouse or a job may create a happening of depression, many cases come from within, such as people’s diet.As is reported, both before and during a happening of depression, those with the condition show a “poor appetite”. 【2】 On the other ha如图所示的是小明在某次实验中连接的实物电路 （1）请你在下边画出对应的电路图。 （2）请你说说小明可能在做什么实验？