Fill in each blank with one suitable word to complete the passage below.
In July 1994 Jupiter, the largest planet in our solar system, was struck (1) ……………… 21 pieces of a comet. When the fragment landed in the southern hemisphere of the giant planet, the explosions (2) ……………… watched by astronomers here on Earth. But what if our planet was hit by a comet? The year is 2094. it has (3) ……………… announced that a comet is heading towards the Earth. Most of it will miss our planet, but two fragments (4) ……………… probably hit the southern hemisphere. On 17 July, a fragment four kilometers (5) ……………… enters the Earth’s atmosphere (6) ……………… a massive explosion. About half of the fragment is destroyed and pieces are scattered through the atmosphere. But the core survives and hits the South Atlantic at 200 times the (7) ……………… of sound. The sea boils and a huge hole is made in the sea bed. An enormous tidal (8) ……………… is created and spreads outwards from the hole. The wall of water, a kilometer high, rushes towards southern Africa at 800 kilometers (9) ……………… hour. Cities on the African coast are totally destroyed and millions (10) ……………… people are drowned. The wave moves into the Idian Ocean and heads towards Asia.
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am the tallest
is the biggest
are the largest
the most dangerous
is the laziest
the best
is the most difficult
is the longest
is the strangest
the worst
is the hottest
is the funniest
is the most interesting
is the most famous
There are (1)_four___ seasons in a year in our country. They are spring, summer, fall (2) _and_____ winter. In the spring, the weather is usually (3)___warm___. Sometimes it is cold, but not very cold. After spring, it is the summer. In the summer we (4)__usually__ play sports. In the fall, the weather is often cool. In the winter, it’s usually very cold. We always wear warm clothes.
II)-Fill in each blank of the passage with the correct word from the box.
ocean | life | clouds | system |
difference | conditions | kind | atmosphere |
Can there be Life in the Environment of Titan?
Titan is Saturn’s largest moon and the second largest in the solar (1) __system__________ (after Ganymede of Jupiter). It is the only moon in the solar system with clouds and a dense, planet-like (2) ___atmosphere__________. Scientists believe that (3) ___conditions______on Titan are similar to Earth's early years. The main (4) ___difference________is that, because it is closer to the sun, Earth has always been warmer. Titan's atmosphere is very cold, from -200 degrees to -179 degrees Celsius!
In the atmosphere there are layers of (5) __clouds_________composed of complex molecules such as methane. There also may be an (6) ___ocean_________of methane, or perhaps a liquid water layer inside the moon. This type of environment, except for the cold, is the (7) ____kind_______of environment in which scientists think (8) ___life_______began.
Fill in each blank with one suitable word to complete the passage below.
In July 1994 Jupiter, the largest planet in our solar system, was struck (1) ………by……… 21 pieces of a comet. When the fragment landed in the southern hemisphere of the giant planet, the explosions (2) ………were……… watched by astronomers here on Earth. But what if our planet was hit by a comet? The year is 2094. It has (3) …………been…… announced that a comet is heading towards the Earth. Most of it will miss our planet, but two fragments (4) ………will……… probably hit the southern hemisphere. On 17 July, a fragment four kilometers (5) ………wide………enters the Earth’s atmosphere (6) ………with……… a massive explosion. About half of the fragment is destroyed and pieces are scattered through the atmosphere. But the core survives and hits the South Atlantic at 200 times the (7) ……speed………… of sound. The sea boils and a huge hole is made in the sea bed. An enormous tidal (8) ……wave………… is created and spreads outwards from the hole. The wall of water, a kilometer high, rushes towards southern Africa at 800 kilometers (9) ………an……… hour. Cities on the African coast are totally destroyed and millions (10) ………of……… people are drowned. The wave moves into the Idian Ocean and heads towards Asia.