填空题
There are several things about motorcycling that the average
citizen dislikes. A cyclist's{{U}} (31) {{/U}}has something to do with
this dislike. Motorcylists frequently look dirty, in fact, they are dirty. On
the road there is little to{{U}} (32) {{/U}}them from mud, crushed
insects, and bird droppings. For practical reasons they often{{U}} (33)
{{/U}}in old clothing which looks much less{{U}} (34) {{/U}}than the
clothing of people who ride in cars. For the same reason motorcyclists usually
wear{{U}} (35) {{/U}}colors. Perhaps this helps to explain why they are
sometimes{{U}} (36) {{/U}}of having evil natures. In old{{U}} (37)
{{/U}}of long ago, evil characters usually wear black. In{{U}} (38)
{{/U}}movies the "bad guys" usually wear black hats{{U}} (39)
{{/U}}the "good guys" wear lighter colors.
Something else
about their appearance makes an{{U}} (40) {{/U}}impression. In their
practical, protective clothing they very much like the men{{U}} (41)
{{/U}}military motorcycles in the movies of World War Two-cruel enemies who
reared into{{U}} (42) {{/U}}villages{{U}} (43) {{/U}}people's
hearts with fear. Probably{{U}} (44) {{/U}}machine itself also produces
anger and fear. Motorcycles are noisy, though some big trucks are even noisier.
But trucks are big and carry heavy{{U}} (45) {{/U}}. They are accepted
(If not really welcomed) because they perform a{{U}} (46) {{/U}}service,
making America move. Motorcycles, on the{{U}} (47) {{/U}}hand, make an
unpleasant noise just to give their riders{{U}} (48) {{/U}}. That is
what is commonly thought. In the woods motorcycles frighten animals.
{{U}}(49) {{/U}}along quiet streets, they disturb{{U}} (50)
{{/U}}families and make babies cry.