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Read the following passages carefully and then fill
in the blanks with one correct or best
answer. |
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The slug is a relative of the snail. It has a long
rounded body and moves about on a muscular foot. As
it ___1___, it
leaves behind a glistening trail of slime. In ___2___
mouth is a ribbon-like tongue with many rows ___3___
tiny teeth. The slug uses this tongue like ___4___
file to rasp up its food. Most slugs ___5___
on living or decaying plants, and thus do ___6___
good in clearing away dead vegetation. However, they ___7___
also do much damage in a vegetable garden ___8___
eating up precious vegetables. Some slugs are
carnivorous ___9___
flesh-eating. They can be distinguished from ___10___
vegetarian slugs by the tiny shell each ___11___
near the hind end of its body. They feed ___12___
worms, caterpillars and also their relatives, the
vegetarian slugs ___13___
does so much harm to seedlings.
Gardeners kill ___14___
many slugs as they can because of the ___15___
they do to vegetables and fruits growing on the ___16___.
Salt kills slugs and some gardeners put ___17___
garden salt to keep off the troublesome tiny black ___18___.
The usual way of killing slugs, however,
___19___ to put
down a slug-killer in the form ___20___
bran mixed with poison metaldehyde. |
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| Answers |
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The slug is a relative of the snail. It has a long rounded body
and moves about on a muscular foot. As it
moves, it leaves behind a glistening trail of
slime. In its mouth is a
ribbon-like tongue with many rows of
tiny teeth. The slug uses this tongue like
a file to rasp up its food. Most slugs
feed on living or decaying
plants, and thus do some
good in clearing away dead vegetation. However, they
can also do much damage in a
vegetable garden by eating
up precious vegetables. Some slugs are carnivorous
or flesh-eating. They can be
distinguished from the
vegetarian slugs by the tiny shell each
has near the hind end of its body. They feed
on worms, caterpillars and
also their relatives, the vegetarian slugs
that does so much harm to seedlings.
Gardeners kill as many
slugs as they can because of the damage
they do to vegetables and fruits growing on the
ground. Salt kills slugs and
some gardeners put down
garden salt to keep off the troublesome tiny black
slugs. The usual way of
killing slugs, however, is
to put down a slug-killer in the form
of bran mixed with poison metaldehyde. |
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