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Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions.
The primary causes of species extinction result _________habitat destruction, commercial exploitation and pollution.
 
A.in
B.of   
C.for 
D.from
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Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 33 to 42.
                TRAFFIC LIGHTS
The first traffic signal was invented by a railway signaling engineer. It was installed (33) ___ the Houses of Parliament in 1868. It (34)_____ like any railway signal of the time, and was operated by gas.  (35) ____, it exploded and killed a policeman, and the accident discouraged further development until cars became common.
(36) ____ traffic lights are an American invention. Red – green systems were installed in Cleveland in 1914. Three - color signals, operated (37) _____ hanz d from a tower in the (38) _____ of the street, were installed in New York in 1918. The first lights of this type to (39) ____ in Britain were in London, on the junction between St. James’s Street and Piccadilly, in 1925. Automatic signals were installed (40) ____ year later.
In the past, traffic lights were special. In New York, some lights had a statue on top. In Los Angeles the lights did not just change silently, but would ring bells to (41) _____ the sleeping motorists of the 1930s. These are gone and have been (42) ____ by standard models which are universally adopted.
(40)_______
A.a 
B.in the 
C.in a    
D.the

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 33 to 42.
                TRAFFIC LIGHTS
The first traffic signal was invented by a railway signaling engineer. It was installed (33) ___ the Houses of Parliament in 1868. It (34)_____ like any railway signal of the time, and was operated by gas.  (35) ____, it exploded and killed a policeman, and the accident discouraged further development until cars became common.
(36) ____ traffic lights are an American invention. Red – green systems were installed in Cleveland in 1914. Three - color signals, operated (37) _____ hanz d from a tower in the (38) _____ of the street, were installed in New York in 1918. The first lights of this type to (39) ____ in Britain were in London, on the junction between St. James’s Street and Piccadilly, in 1925. Automatic signals were installed (40) ____ year later.
In the past, traffic lights were special. In New York, some lights had a statue on top. In Los Angeles the lights did not just change silently, but would ring bells to (41) _____ the sleeping motorists of the 1930s. These are gone and have been (42) ____ by standard models which are universally adopted.
(39)______
A.show
B.appear
C.happen       
D.become

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 33 to 42.
                TRAFFIC LIGHTS
The first traffic signal was invented by a railway signaling engineer. It was installed (33) ___ the Houses of Parliament in 1868. It (34)_____ like any railway signal of the time, and was operated by gas.  (35) ____, it exploded and killed a policeman, and the accident discouraged further development until cars became common.
(36) ____ traffic lights are an American invention. Red – green systems were installed in Cleveland in 1914. Three - color signals, operated (37) _____ hanz d from a tower in the (38) _____ of the street, were installed in New York in 1918. The first lights of this type to (39) ____ in Britain were in London, on the junction between St. James’s Street and Piccadilly, in 1925. Automatic signals were installed (40) ____ year later.
In the past, traffic lights were special. In New York, some lights had a statue on top. In Los Angeles the lights did not just change silently, but would ring bells to (41) _____ the sleeping motorists of the 1930s. These are gone and have been (42) ____ by standard models which are universally adopted.
(38)_______
A.middle   
B.heart
C.focus
D.halfway

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 33 to 42.
                TRAFFIC LIGHTS
The first traffic signal was invented by a railway signaling engineer. It was installed (33) ___ the Houses of Parliament in 1868. It (34)_____ like any railway signal of the time, and was operated by gas.  (35) ____, it exploded and killed a policeman, and the accident discouraged further development until cars became common.
(36) ____ traffic lights are an American invention. Red – green systems were installed in Cleveland in 1914. Three - color signals, operated (37) _____ hanz d from a tower in the (38) _____ of the street, were installed in New York in 1918. The first lights of this type to (39) ____ in Britain were in London, on the junction between St. James’s Street and Piccadilly, in 1925. Automatic signals were installed (40) ____ year later.
In the past, traffic lights were special. In New York, some lights had a statue on top. In Los Angeles the lights did not just change silently, but would ring bells to (41) _____ the sleeping motorists of the 1930s. These are gone and have been (42) ____ by standard models which are universally adopted.
(37)________
A.by  
B.with
C.through
D.in

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