পাঠ্যবইবহির্ভূত টেক্সট
প্রিয় শিক্ষার্থী, গতকাল দেওয়া পাঠ্যবইবহির্ভূত টেক্সট থেকে বাকি প্রশ্নোত্তর আজ দেওয়া হলো।
6. Write one of the words that completes each sentence. There are three extra words which you do not need to use.
population animals killed atomic
world destructive contributing explosion
a.The first — bomb was dropped on Hiroshima.
b. It — about 2,00,000 people.
c. It had tremendous — power.
d. The entire — of the world will die if hydrogen bomb is used.
e. The whole — will be destroyed if it is used.
Answer
a. atomic, b. killed, c. destructive, d. population, e. world.
7. Answer the following questions in sentence(s.)
a. When was the first atomic bomb dropped?
b. How powerful was the explosion?
c. How much energy will a hydrogen bomb release?
d. Who are trying to perfect hydrogen bombs?
e. What will another war cause?
Answer
a. The first atomic bomb was dropped on August 6, 1945 on Hiroshima, in Japan.
b. The explosion was equal to 20,000 tons of T.N.T.
c. A hydrogen bomb will release energy equal to 100 megatons.
d. Certain world powers are trying to perfect hydrogen bombs.
e. Another war will be the cause of world’s destruction.
8. Write a short composition about demerits/abuses of science.
Answer
Science has blessed us with many inventions. But, science is a curse also. Science is for the benefit of mankind. But, scientists sometimes invent some dreadful weapons. Tanks, missiles, torpedoes, atom and hydrogen bombs can easily destroy the world in a moment.
9. Write a letter to your friend about atom bomb using the following cues. Your letter should have a heading, greeting, body, closing and signature/name.
First atom bomb — Hiroshima — killed 20,000 people —will destroy the whole world — five continents
Answer
45/A Station Road, Bogra
14 March, 2016
Dear Shipu,
How are you? I hope you are well by the grace of Almighty. I received your letter yesterday. In the letter, you asked me to tell you about atom bomb. Here it is. The first atomic bomb was dropped on Hiroshima, in Japan. It killed about 20,000 people. If such bombs are dropped on the five inhabited continents, the enter population of the world will be destroyed.
No more today. Take care.
