题目

Emergencies can happen anytime, so being prepared for a home first aid kit(成套工具) is important for your family. Having a proper one in your home is an easy but necessary part of good emergency preparation.Pick a good containerOne good choice is a large translucent plastic container, which makes it easy to see the materials inside. Lunchboxes are also another good choice. Basically, if it’s big enough, and at least somewhat water resistant, it can make a good container. Regardless of your container choice, it should be easy to recognize, so write “FIRST AID” on it with a marker.Tea（2013•邵东县模拟）在平面直角坐标系中，⊙A，⊙B的圆心坐标分别是A（3，0），B（0，4），若这两圆的半径分别是3，4，则这两圆的位置关系是（ ）A．内含B．相交C．外切D．外离