hope that rich cities will continue to grow quickly.

surprise that new urban centers are experiencing progress.

the awareness that modern urban centers cannot avoid growth.

a feeling that excessive urban growth may not be beneficial.

disappointment that only the newest cities are growing fast.

"This" (line 3) refers to "a town or city" (line 2).

"They" (line 20) refers to "factories" (line 20).

"it" (line 27) refers to "impoverishment" (line 26).

"they" (line 31) refers to "cities" (line 31).

"ones" (line 43) refers to "cities" (line 42).

Great inventions in the history of mankind.

How to live in cities without missing the countryside.

The role of technology in the evolution of homo sapiens.

The several advantages of living in large urban centers.

It may not be wise for modern man to abandon the countryside.

"Looking at the past..." (line 1).

"...understanding the future." (line 2).

"...how English came to be in the state it is..." (lines 3-4).

"...how English came to be (...) spoken by those who speak it." (lines 3-5).

"...the spread of English?" (line 5).

formation.

complexity.

relevance.

expansion.

destiny.

when a more modern English started to emerge.

how this language developed into its present form.

in which state the English language was originated.

what circumstances led to the formation of English.

the reasons why the language changed over the centuries.

has never been subject to change.

is used in very similar cultural contexts.

will be changed by the way non-natives use it.

is equally important for all knowledge fields.

should be used exclusively by native speakers.

predicts that air traffic in Europe will never be safely controlled

affirms that there is no solution for the crowded European airports

criticizes EUROCONTROL for the airport congestion in Europe.

shows that EUROCONTROL services are important to European air navigation

states that European authorities rarely take the right decisions to solve airport problems.

"… the constant increase in air traffic can be accommodated …" (lines 11-12).

"…solutions must be found elsewhere, and with the relevant parties." (lines 33-34)

"Some elements of airport operations may be under the control of the State, ..." (lines 37-38).

"EUROCONTROL is going to help them to do this, ..." (lines 49-50).

"The 'Airports' pages of the EUROCONTROL website will give you…" (lines 51-52).

predicts that air traffic in Europe will never be safely controlled.

affirms that there is no solution for the crowded European airports

criticizes EUROCONTROL for the airport congestion in Europe.