题目

If you have only three minutes to get something that you can take from your home, and the other thing are lost forever, what will you take? The following information will help you.B.O.B.B.O.B. is short for Bug of Bag(求生背包). It’s a bag with a collection of things that are needed for life in it.Reasons to use a B.O.B.When disasters (灾难)like earthquakes and heavy rainstorms happen, many people will have to run away from their homes and they may not return for a long time. They need to continue to live without food, water or a shelter in some unexpected situations.Things in a B.O.B.A如图，在△ABC中，AB=CB=10，底边AC=7，AB的垂直平分线交BC于G，则△AGC的周长为A.13B.15C.17D.19