Cause and Effect of Recent Flood in Sylhet Division

The recent floods in Sylhet, Bangladesh were caused by a combination of heavy rainfall and the release of water from upstream sources: The Sylhet region experiences heavy rainfall, averaging around 4,000 mm per year. The region's flood-prone lowlands are surrounded by hills, making flash floods a common natural disaster
The release of water from upstream sources, such as the Dumbur Hydroelectric Project in India, contributed to the flooding. Bangladeshi locals accused India of releasing water from the dam without warning. Climatologists say that floods caused by excess rain and meteorological droughts are impacts of.The effects of floods can be long term and very costly, disruptive, and distressing for communities. They can threaten lives, inundate properties and businesses, destroy belongings, damage vital infrastructure, and prevent access to essential public services. 

Civil Aviation Authority 

The Civil Aviation Authority of Bangladesh (CAAB) is the regulatory body for aviation in Bangladesh. It is responsible for managing all nine operational airports in the country, including flight safety, air traffic control, and airport maintenance. The CAAB also ensures that all aircraft are registered and airworthy before they can fly. 
Here are some of the CAAB's responsibilities:
Airport management
The CAAB operates all nine operational airports in Bangladesh, including three international and six domestic airports. 
Flight safety
The CAAB registers all aircraft in Bangladesh and issues or renews certificates of airworthiness. 
Regulatory body
The CAAB implements the rules and regulations of the Government of Bangladesh and the International Civil Aviation Organization (ICAO). 
Bilateral air transport agreements
The CAAB has signed bilateral air transport agreements with 52 states. 
The CAAB is headquartered in Kurmitola, Dhaka. It was established in 1985 as a body corporate with full managerial power. 

Honesty is the best policy.

Honesty is a great virtue. The man who possesses the quality is the luckiest person. To be an honest man one must have trustworthiness for nobody trusts a liar. If we become honest all will respect us. And we shall be successful in every sphere of life. A dishonest man is hated by all. Sometimes a dishonest man may be able to hide his dishonesty. But very soon his dishonesty will be exposed. In this way, dishonest men lose their fame. Nobody will like to deal with them. So, the dishonest man fails in every sphere of life. On the other hand an honest man becomes powerful and wealthy. For the time being dishonest men may be successful but in the long run they have to suffer.

"Why have you beaten my dog"? he said to me. 

= He demanded of me why I had beaten his dog.

2x+y = 8 ............(1)

বা, y = 8 - 2x

আবার, 3x-2y = 5

বা, 3x-2(8-2x) = 5

বা, 3x-16+4x = 5

বা, 7x-16=5

বা, 7x = 21

∴ x = 3

x এর মান (1) নং সমীকরণে বসাই,

y=8-2××3 = 8-6 = 2

সুতরাং, x ও y এর মান যথাক্রমে 3 ও 2 (Ans)

A new car was bought by karim. (Active) 

= Karim bought a new car.

All must submit to destiny. 

= All can not but submit to destiny.

Bangladesh Delta Plan (BDP) 2100 was approved by the National Economic Council (NEC) chaired by Sheikh Hasina, the Hon’ble Prime Minister of Bangladesh on the 4th of September 2018.

“A 100 year visionary plan, Bangladesh Delta Plan 2100 – an important step towards fulfilling the commitment of achieving a safe, resilient and prosperous Bangladesh” proudly asserted by the Hon’ble Prime Minister.

Bangladesh is the first country in the world to develop such a comprehensive long-term plan for its entire delta. The Government of Bangladesh plans to spend 2.5% of GDP for delta-related interventions, through new investments and maintenance of already realized projects.

Do you know he lives where? 

= Do you know where he lives?

Ever you been to Dhaka? 

= Have you ever been to Dhaka?

He killed a bird. (Passive) 

= A bird was killed by him.

I am sure it is a mistake 

= It is a mistake and I am sure of it.

I returned back form Dhaka. 

= I returned from Dhaka.

I said to my teacher, 'Good morning, sir'. (indirect) 

= I respectfully wished my teacher good morning.

In spite of his working hard, he failed in the examination (Make it interrogative). 

= Though he worked hard, he failed in the examination.