Bac Blanc Un

2018/2017
‫ساعتان ونصف‬ :‫المدة‬

-‫تر‬-‫ر‬-‫ تق‬-‫ع‬:‫الشعبة‬
‫االمتحان التجريبي في مادة اللغة االنجليزية‬
Part One: Reading (15points)
Read the text carefully and do the activities.

"It scares me," said Jack Hills, an astronomer at New Mexico's Los Alamos National Laboratory.
"It really does." He and the rest of the world had good reason to be worried. Astronomer Brian Marsden, at
the Harvard-Smithsonian Center for Astrophysics had just announced that a newly discovered asteroid
1.6 km wide was headed for Earth and might pass as close as 48,000km in the year 2028. "The chance of an
actual collision is small," Marsden reported, "but not entirely out of the question."
An actual collision? With an asteroid of that size? It sounded like the stuff of science fiction and
grade-B movies. But front-page stories and TV newscasts around the world soon made clear that the
possibility of a direct hit and a global catastrophe well within the lifetime of most people on Earth today was all
too real.
Then suddenly, the danger was gone. Barely a day later, new data and new calculations showed that
the asteroid, dubbed 1997 XF11, presented no threat at all. It would miss Earth by 1 million Km - closer than
any previously observed asteroid of that size but a comfortable distance. Still, the incident focused attention
once and for all on the largely ignored danger that asteroids and comets pose to life on Earth.
XF11 was discovered last Dec. 6 by astronomer Jim Scotti, a member of the University of Arizona's
Spacewatch group, which scans the skies for undiscovered comets and asteroids. Using a 77-year-old
telescope equipped with an electronic camera, he had recorded three sets of images. The digitized images,
fed into a computer programmed to look for objects moving against the background of fixed stars.
My Own Resources/ Reading Comprehension Texts
A. COMPREHENSION/INTERPRETATION (08 points)

1. Are these statements true or false? Write T or F next to the letter corresponding to the statement.
a. The reason behind the astronomers worry was irrational.
b. Media around the world said that an actual collision was likely to occur.
c. Calculations showed that the asteroid was the nearest to earth comparing to any previously
observed.
d. Jim Scotti looks closely for new comets and asteroids.
2. In which paragraph is the distance between the asteroid and our planet Earth mentioned?
3. Fill in the following table.

Name The width Distance from earth Date of discovery
The discovered asteroid
4. Answer the following questions according to the text.

a. Why was Jack Hills Worried?
b. How was the asteroid discovered?
5. Who or what do the underlined words refer to in the text?

a. He…(§1) b. It ….(§3)
‫اقلب الصفحة‬ 2 / 1 ‫الصفحة‬

B/ TEXT EXPLORATION (07 points)
1. Find in the text words that are opposites to the following.
a. distant(§1) b. known(§3)
2. Complete the table as shown in the example.

verb noun adjective
example: to collide collision Collided
to announce ............................. ............................
.................................. danger .................................
................................ ................................ observed
3. Rewrite sentence “b” so that it means the same as sentence “a”.
1/ a. ‘ The chance of an actual collision is small,’ Mardsden reported.

b. Mardsden reported......................................................................................
2/ a. He had recorded three sets of images.

b. Three sets of images...........................................................................................
3/ a. The newly discovered asteroid was closer than any previously discovered one. .
b. The previously discovered asteroid was....................................................................................
4. Classify the following words according to the pronunciation of the final ‘ed’.
headed - announced - reported - showed
/t/ /d/ /id/
5. Fill in the gaps with words from the list:

fires - most- great - would
If a big comet hit the Earth, it would cause_____1_____ devastation. It might cause huge tidal waves
and _________2_______ and put so much dust and soot in the air that ____3_______of the sunlight would
be blocked, and plants ____4______ die and animals would have nothing to eat.
PART TWO: WRITTEN EXPRESSION (05 points)

Choose ONE of the following topics.
Topic 1 :
Suppose XF11 collided with the Earth; what would happen then?
Use the following notes to write an essay predicting the consequences of such collision.
- Impact on the Earth surface.
- Cause crater.
- Volcanic eruption.
- Climatic change.
- Flooding/tsunami/ earthquake…
- Extinction of human kind.
Topic 2 :
Write a composition of about 100 words on the importance of ethics in all aspects of life and the
risks of ignoring them.
‫بالتوفيق‬ 2 / 2 ‫الصفحة‬ ‫انتهى‬

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2018/2017

‫ساعتان ونصف‬ :‫المدة‬

Part One: Reading (15points)

Read the text carefully and do the activities.

My Own Resources/ Reading Comprehension Texts

A. COMPREHENSION/INTERPRETATION (08 points)

3. Fill in the following table.

4. Answer the following questions according to the text.

5. Who or what do the underlined words refer to in the text?

‫اقلب الصفحة‬ 2 / 1 ‫الصفحة‬

2. Complete the table as shown in the example.

3. Rewrite sentence “b” so that it means the same as sentence “a”.

1/ a. ‘ The chance of an actual collision is small,’ Mardsden reported.

2/ a. He had recorded three sets of images.

/t/ /d/ /id/

5. Fill in the gaps with words from the list:

PART TWO: WRITTEN EXPRESSION (05 points)

‫بالتوفيق‬ 2 / 2 ‫الصفحة‬ ‫انتهى‬

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