1a
Top right:Run it under water.;
Put some medicine on it.;
Put a bandage on it.
Middle left:Go to the hospital. ;
Get an X-ray.;Rest for a few days.
Bottom right:Put your head down. ;
Press the sides of your nose.;
Clean your face.
1b
Someone cut his knee.√
Someone had a nosebleed.√
Someone got hit on the head.√
1c
(1)d,a,b,c (2)f (3)e