Page 154 - ภาษาอังกฤษสำหรับสายวิทยาการอุตุนิยมวิทยา

149

Language Exercises

I. NEW TERMINOLOGY: Oral Exercises

1. Select words from the list below to complete the following sentences. Some of
the words may be used more than once, and you may have to make the word
plural or change the tense. Do not try to write the words in the spaces.
accompany converge cycle

lightning progress mature
gusts stage dissipate (-ing)

a. Occasionally in a thunderstorm, ______________ will hit a tall building or a
tree and start a fire.

b. He is a very ____________ person, he acts much older than his age.
c. The atmosphere follows a _________ when it circulates; the hot air rises
then returns to the earth where it is heated.

d. The first ___________ of any thunderstorm is a cumulus cloud.

e. Local thunderstorms develop very quickly, but the rain doesn't last long
and they __________ almost as quickly as they form.
f. The winds in a low-pressure system ____________ at the center of the
system; that is why we say they spiral inward.

g. As a migratory air mass _____________ along its path, it is modified by
the surfaces it passes over.

h. Usually just before a storm arrives there is a series of strong __________
of wind.

i. You can expect any thunderstorm to be ____________ by rain, hail, and
turbulent winds.

j. During the cumulus ____________ of a thunderstorm most of the air
currents are moving upward.
k. The thunderstorm is in the __________ stage when most of the air
currents are moving downward.

l. All thunderstorms are similar because they all____________ through the
same three stages.

m. Unless a storm is ___________ by thunder and lightning, it is not
considered to be a thunderstorm.
n. The wind speed is 10 knots with _____________ up to 20 knots.

o. After the initial updrafts start in a thunderstorm, the air in the surrounding
area begins to ____________ at the base and rise also.