Soaring over the city at an impressive 2,716 feet (828 meters) and boasting 200 stories (160 habitable), the $1.5 billion Burj Khalifa project was unveiled by Dubai's ruler Sheikh Mohammed bin Rashid Al Maktoum in January 2010. At the peak of construction, more than 12,000 international workers were on site per day logging a collective 22 million man-hours during the six years it took to complete. The Burj Khalifa is twice the height of New York's Empire State Building and three times as tall as the Eiffel Tower in Paris. It even surpassed Taiwan's Taipei 101, which at 1,667 feet (508m) had held the world title since it opened in 2004.

Question: How many international workers were on site per day during the Burj Khalifa's construction? (Skill: scanning)

Soaring over the city at an impressive 2,716 feet (828 meters) and boasting 200 stories (160 habitable), the $1.5 billion Burj Khalifa project was unveiled by Dubai's ruler Sheikh Mohammed bin Rashid Al Maktoum in January 2010. At the peak of construction, more than 12,000 international workers were on site per day logging a collective 22 million man-hours during the six years it took to complete. The Burj Khalifa is twice the height of New York's Empire State Building and three times as tall as the Eiffel Tower in Paris. It even surpassed Taiwan's Taipei 101, which at 1,667 feet (508m) had held the world title since it opened in 2004.

Question: How long did it take to complete the Burj Khalifa? (Skill: Scanning)

Soaring over the city at an impressive 2,716 feet (828 meters) and boasting 200 stories (160 habitable), the $1.5 billion Burj Khalifa project was unveiled by Dubai's ruler Sheikh Mohammed bin Rashid Al Maktoum in January 2010. At the peak of construction, more than 12,000 international workers were on site per day logging a collective 22 million man-hours during the six years it took to complete. The Burj Khalifa is twice the height of New York's Empire State Building and three times as tall as the Eiffel Tower in Paris. It even surpassed Taiwan's Taipei 101, which at 1,667 feet (508m) had held the world title since it opened in 2004.

Question: Which building was the tallest in the world prior to the completion of the Burj Khalifa? (Skill: scanning)

Soaring over the city at an impressive 2,716 feet (828 meters) and boasting 200 stories (160 habitable), the $1.5 billion Burj Khalifa project was unveiled by Dubai's ruler Sheikh Mohammed bin Rashid Al Maktoum in January 2010. At the peak of construction, more than 12,000 international workers were on site per day logging a collective 22 million man-hours during the six years it took to complete. The Burj Khalifa is twice the height of New York's Empire State Building and three times as tall as the Eiffel Tower in Paris. It even surpassed Taiwan's Taipei 101, which at 1,667 feet (508m) had held the world title since it opened in 2004.

Question: how much did it cost to construct the Burj Khalifa?

True, False, or Not given

You’ll no doubt recognise this tall grass growing along roadsides and in public areas (or the wild), as it’s an easy, cheap and fast growing grass that can quickly spruce up a vacant spot. It grows up to one metre in height, with long bushy tendrils sprouting upwards from its thick grassy base, which stays green even in summer. Plant several next to each other along an empty fence or wall to add a degree of wabi-sabi wildness to your garden. Native to Africa and the Gulf, it’s a hardy grass with a high drought tolerance and requires little watering and maintenance.

Question: Tall grass grows up to three metres in height

You’ll no doubt recognise this tall grass growing along roadsides and in public areas (or the wild), as it’s an easy, cheap and fast growing grass that can quickly spruce up a vacant spot. It grows up to one metre in height, with long bushy tendrils sprouting upwards from its thick grassy base, which stays green even in summer. Plant several next to each other along an empty fence or wall to add a degree of wabi-sabi wildness to your garden. Native to Africa and the Gulf, it’s a hardy grass with a high drought tolerance and requires little watering and maintenance.

Question: Tall grass can survive the harsh desert heat?

You’ll no doubt recognise this tall grass growing along roadsides and in public areas (or the wild), as it’s an easy, cheap and fast growing grass that can quickly spruce up a vacant spot. It grows up to one metre in height, with long bushy tendrils sprouting upwards from its thick grassy base, which stays green even in summer. Plant several next to each other along an empty fence or wall to add a degree of wabi-sabi wildness to your garden. Native to Africa and the Gulf, it’s a hardy grass with a high drought tolerance and requires little watering and maintenance.

Question: Tall grass is fast growing?

You’ll no doubt recognise this tall grass growing along roadsides and in public areas (or the wild), as it’s an easy, cheap and fast growing grass that can quickly spruce up a vacant spot. It grows up to one metre in height, with long bushy tendrils sprouting upwards from its thick grassy base, which stays green even in summer. Plant several next to each other along an empty fence or wall to add a degree of wabi-sabi wildness to your garden. Native to Africa and the Gulf, it’s a hardy grass with a high drought tolerance and requires little watering and maintenance.

Question: Tall grass is found in many European countries

You’ll no doubt recognise this tall grass growing along roadsides and in public areas (or the wild), as it’s an easy, cheap and fast growing grass that can quickly spruce up a vacant spot. It grows up to one metre in height, with long bushy tendrils sprouting upwards from its thick grassy base, which stays green even in summer. Plant several next to each other along an empty fence or wall to add a degree of wabi-sabi wildness to your garden. Native to Africa and the Gulf, it’s a hardy grass with a high drought tolerance and requires little watering and maintenance.

Question: choose the appropriate title for this passage

Africa is home to many of the world's most famous fauna in human culture such as Lions‚ Rhinos‚ Cheetahs‚ Giraffes‚ Hippos, Leopards, Zebras‚ Elephants among many others. The fauna of Africa, in its broader sense, is all the animals living in Africa and its surrounding seas and islands. The more characteristic African fauna is found in the Afrotropical ecoregion. Lying almost entirely within the tropics, and equally to north and south of the equator creates favourable conditions for rich wildlife.

Question: what is the focus of this passage (Skill: Skimming)

There was another milestone for Lionel Messi in his first game back for Barcelona. Messi's goal in second-half injury time at relegation threatened Mallorca -- with his right foot, not favoured left -- meant the Argentinian became the first player to score at least 20 goals in 12 straight La Liga seasons. He also produced two assists in the 4-0 victory Saturday that sent Barcelona five points clear of arch-rival Real Madrid atop the table before Los Blancos cut the gap to two by downing Eibar 3-1 on Sunday night.

Question: Messi has scored 20 goals in 11 straight seasons in La Liga

The art of henna (called mehndi or mehendi in Hindi & Urdu languages) has been practiced for over 5000 years in Pakistan, India, Africa and the Middle East. Some documentation dates it to over 9000 years old. Because henna has natural cooling properties, people of the desert, for centuries, have been using henna to help control their body temperature. They would make a paste from the crushed dried leaves of the henna plant and soak their palms and soles of the feet in it to get a cooling affect.

Question: pick the appropriate heading for this passage

The art of henna (called mehndi or mehendi in Hindi & Urdu languages) has been practiced for over 5000 years in Pakistan, India, Africa and the Middle East. Some documentation dates it to over 9000 years old. Because henna has natural cooling properties, people of the desert, for centuries, have been using henna to help control their body temperature. They would make a paste from the crushed dried leaves of the henna plant and soak their palms and soles of the feet in it to get a cooling affect.

Question: For how many years has henna been practiced in Pakistan?