A
Four of these planets are so-called super-Earths, larger than our own planet, but smaller than even the smallest ice giant planet in our Solar System.
B
These new super-Earths have radii of 1.3, 1.4, 1.6, and 1.9 times that of Earth.
C
Using observations gathered by NASA’s Kepler Mission, the team found five planets orbiting a Sun-like star called Kepler-62.
D
A team of scientists has discovered two Earth-like planets in the habitable orbit of a Sun-like star.
E
In addition, one of the five was roughly Mars-sized planet, half the size of Earth.

Solution

D, C, A, B, E

A
With regard to defence, the purpose of the military is to defend the nation and be prepared to do battle with its enemy.
B
The idea is to destroy the enemy’s productive capacity, and depending upon the economic foundation, that productive capacity is different in each case.
C
So in the agrarian era, if you need to destroy the enemy’s productive capacity, what you want to do is bum his fields, or if you’re really vicious, salt them.
D
How do you do battle with your enemy?
E
But in the industrial era destroying the enemy’s productive capacity means bombing the factories which are located in the cities.
F
Now in the information era, destroying the enemy’s productive capacity means destroying the information infrastructure.

Solution

A, D, B, C, E, F

A
But in Scotland three banks are still allowed to issue banknotes.
B
When this bank was founded in 1695, Scots coinage was in short supply and of uncertain value, compared with English, Dutch, Flemish or French coin.
C
In most countries it is only the government, through their central banks, who are permitted to issue currency.
D
The first Scottish bank to do this was the Bank of Scotland.
E
To face growth of trade it was deemed necessary to remedy this lack of an adequate currency.

Solution

C, A. D, B, E

A
Engineers are much needed to develop greener technologies, he says.
B
“The energy sector has a fantastic skills shortage at all levels, both now and looming over it for the next 10 years,” he says.
C
“Not only are there some good career opportunities, but there’s a lot of money going into the research side, too.
D
With the pressures of climate change and the energy gap, in the last few years funding from the research councils has probably doubled.”

Solution

A, B, C, D

A
Ultimately, the scientist say, this approach could enable the design and the construction of new buildings that would not be feasible with traditional building methods.
B
Structure built with this system could be produced faster and less expensively than traditional construction methods allow.
C
Researchers have developed a system that can 3-D print the basic structure of an entire building.
D
Even the internal structure could be modified in new ways; different materials could be incorporated as the process goes along.

Solution

C, B, D, A

A
The top executives of the large, mature, publicly held companies hold the conventional view when they stop to think of the equity owners’ welfare.
B
So companies investing well grow, enriching themselves and shareholders alike, and ensure competitiveness; companies investing poorly shrink, resulting, perhaps, in the replacement of management.
C
They assume that they’re using their shareholders’ resources efficiently if the company’s performance—especially ROE and earnings per share — is good and if the shareholders don’t rebel.
D
They assume that the stock market automatically penalizes any corporation that invests its resources poorly.
E
In short, stock market performance and the company’s financial performance are inexorably linked.

Solution

A, C, D, B, E

A
Become an engineer not only means more opportunities in their career but will gain more money in their research.
B
Many countries suffering a shortage of scholars of new energy.
C
With the climate change, the money distributed in energy research will double.
D
Especially engineers about new energy.

Solution

B, D, C, A

A. But this map has always fascinated me, and still does, even though it now seems very primitive.

B. This is because it chops the world up equally by longitude, without regard the reality of either political divisions or the changing seasons.

C. This is somewhat surprising given the London Underground’s historic difficultly in grasping the concept of punctuality.

D. For as long as I can remember, there has been a map in the ticket hall of Piccadilly Circus tube station supposedly showing night and day across the time zones of the world.

Solution

D, C , A, B

A
Since the progress of an airplane is aided or impeded depending on whether tail winds or head winds are encountered.
B
They are caused by great temperature differences between adjacent air masses.
C
Jet stream, narrow, swift currents or tubes of air fond at heights ranging from 7 to 8 miles above the surface of the earth.
D
Instead of moving along a straight line, the jet stream flows in a wavelike fashion; the waves propagate eastward (in the Northern Hemisphere) at speeds considerably slower than the wind speed itself.
E
In the Northern Hemisphere the jet stream is sought by eastbound aircraft, in order to gain speed and save fuel, and avoided by westbound aircraft.

Solution

C, D, B, A, E

A
One of the most successful designs of this period was the Douglas DC-3, which became the first airliner to be profitable carrying passengers exclusively, starting the modern era of passenger airline service.
B
By the beginning of World War II, many towns and cities had built airports, and there were numerous qualified pilots available.
C
During the 1920s and 1930s great progress was made in the field of aviation, including the first transatlantic flight of Alcock and Brown in 1919, Charles Lindbergh’s solo transatlantic flight.
D
In 1927, and Charles Kingsford Smith’s transpacific flight the following year.
E
The war brought many innovations to aviation, including the first jet aircraft and the first liquid-fueled rockets.

Solution

C, D, B, A, E

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