Answer: She runs as fast as a cheetah, is a simile, since is has 'as' in it. It means that 'she' is really fast.
The sun is a giant fried egg, is a metaphor because it is saying something is exactly something else. It means that the sun looks exactly like an egg.
It's raining cats ad dogs is a metaphor. It means that it is raining really hard outside.
The wild oat seeds were stuck to the turtle's front legs, so when it was rolled off the road, the seeds fell off and onto the ground. The turtle then started moving, and while it was doing that, it covered the seeds with ground, and thus it planted them. One day, those seeds would grow into wild oats thanks to the turtle.
