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A) was first
sold in powder form
B) was invented in Germany in 1899
C) was sold to the public in 1853
D) was perfected in 1915
E) was originally produced in pill form
17- It's clear from the passage that Aspirin's medical value
A) was made
known by Heinrich Dresser
B) was available to the public from 1853
C) was publicised by Karl Gerhardt
D) led to
the creation of a newspaper
E) as a painkiller was widely recognised in 1853
18- The author states that Aspirin……… .
A) has been available in tablet form since 1899
B)became popular worldwide In 1899
C) was first sold by Bayer in 1915
D)was Initially only available after seeing a doctor
E) was commonly used in Germany prior to 1915
The Sahara desert in north Africa stretches eastwards from the
Atlantic to the Red Sea and
southwards from the Mediterranean to the grasslands and tropical forests of equatorial Africa. It has
an area of about 8 million square kilometres and is the world's largest desert region. The world‘s
highest temperatures have been recorded in the Western Sahara. The traditional inhabitants have been
the nomadic Berbers and Arabs moving from oasis to oasis: but vast areas remain totally uninhabited.
There is the evidence of recent severe draughts in parts of Nigeria and neighbouring countries to
suggest that the Sahara is expanding southwards. On the other hand, there are plans to irrigate some
areas; also, the desert
has valuable deposits of oil, iron ore phosphates and uranium.
19- The passage tells us that the Sahara desert …… .
A) contains grasslands and tropical forests
B) is between two
oceans to the east and west
C) lies to the south of equatorial Africa
D)
covers one eighth of Africa
E) has the Red Sea on its eastern boundary
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