Anaesthetics reading fill blanks Volcano's eruption 51

Anaesthetics reading fill blanks Volcano’s eruption 51

Anaesthetics reading fill blanks Volcano’s eruption 51

In text below some words are missing. select words from the box below to the appropriate place in the text.

129. exercise

transported remained because little

Before effective anaesthetics, surgery was very crude and very painful. Before 1800 alcohol and opium had ………………… success in easing pain during operations. Laughing gas was used in 1844 in dentistry in the USA, but failed to ease all pain and patients ……………………….. conscious. Ether (used from 1846) made patients totally unconscious and lasted a long time. However, it could make patients cough during operations and sick after wards. It was highly falmmable and was ……………………… in heavy glass bottles. Chloroform (used from 1847) was very effective with few side effects. However, it was difficult to get the dose right and could kill some people ……………………….. of the effect on their heart. An inhaler helped to regulate the dosage.


130. exercise

cloud concentrated spot

Volcanoes blast more than 100 million tons of carbon dioxide into the atmosphere every year but the gas is usually harmless. When a volcano erupts, carbon dioxide spreads out into the atmosphere and is not …………………………… in one ……………… But sometimes the gas gets trapped underground under enormous pressure. If it escapes to the surface in a dense ……………………., it can push out oxygen rich air and become deadly.


131. exercise

democratizing leapfrogging dissemination heralded concerned

The exponential growth of the internet was ………………………. in the 1990’s, as revolutionizing the production and ………………………. of information. Some people saw the internet as a means of ……………………… access to knowledge. For people ………………………. with African development, it seemed to offer the possibility of …………………. over the technology gap that separates Africa from advanced industrialized countries.


Siblings reading fill in blanks Mexican diet 50

PTE Listening practice test 2 full listening practice

Highlight correct summary PTE listening module practice 1

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