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Annotation of 42BSD/usr.lib/learn/morefiles/L6.1d, revision 1.1.1.1

1.1       root        1: #print
                      2: How many of the lines in the files "bio*" and "chem*"
                      3: contain the letters "the"?  Type "answer N", where
                      4: N is the number of lines.
                      5: #create bio1
                      6:    Roughly speaking, your eye is made of three balls, or layers,
                      7: fitted tightly one inside the other.  the tough white outermost
                      8: layer's function is to protect the others.  the middle layer gives
                      9: the front of your eye its brown, gray, or blue color.  The inside
                     10: of this layer is dark and full of tiny blood vessels.  The innermost
                     11: layer, called the retina, is made of very special nerve cells that
                     12: are sensitive to light and color.  A nerve cord connects the retina
                     13: of each eye to your brain.
                     14:    The front of your eye's two outer layers (the cornea) is clear,
                     15: or open, to let light enter.
                     16: #create bio2
                     17:    We do not know when life began on the earth, and it seems likely
                     18: that the answer to this question will remain forever hidden from us.
                     19: What we do know is that it was some 500 million years ago when the
                     20: plants and animals of early geologic history had reached a stage of
                     21: development where they produced hard parts capable of being preserved
                     22: as fossils.
                     23:    At this distant date there seemingly was no land life; all life
                     24: was in the sea.  Moreover, there were no vertebrates, or backboned
                     25: animals, living -- at least none of sufficient complexity that they
                     26: left hard structures to be preserved in the form of fossils.
                     27: #create chema
                     28:    The baker said, "Now I shall put just the right amounts of water and
                     29: yeast with the flour that is in the mixer.  Flour, water, and yeast
                     30: together make the sponge.  Making sponge is the first step in making
                     31: bread."
                     32:    The baker closed the mixer.  Inside the machine, the flour and
                     33: yeast and water went around and around until they were well mixed.
                     34: Then the baker opened the mixer and the sponge dropped into a greased
                     35: tub called a trough.
                     36:    The baker pushed the trough into a warm room to let the sponge 
                     37: rise.  It looked like dough, but it did not as yet have everything
                     38: in it.
                     39: #create chemb
                     40:    Wash the blackboard.  Watch it dry.  The water goes into the air.
                     41: When water goes into the air it evaporates.
                     42:    Tie a damp cloth to one end of a stick.  Tie a bottle to the
                     43: other end.  Put water in the bottle until the stick is level.  Watch
                     44: the stick for a few minutes.  It does not stay level.
                     45:    Water goes into the air when it evaporates.  It changes into
                     46: water vapor.  You cannot see water vapor, but it is in the air all
                     47: around you.
                     48:    Cut a hold in the bottom of a cardboard box.  Hold the box
                     49: against a cold window and blow into the hole.
                     50: #copyin
                     51: #user
                     52: #uncopyin
                     53: #match 30
                     54: #log
                     55: #next
                     56: 6.1e

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