11. Прочитай текст и заполни пропуски A–F частями предложений, обозначенными цифрами 1–7. Одна из частей в списке 1–7 лишняя. Занеси цифры, обозначающие соответствующие части предложений, в поле ответа.
In 1816, René Laënnec, A______________, invented the stethoscope. He had found the earlier practice of pressing his ear to a patient's chest to listen to the heart and lungs both inefficient and embarrassing — especially when examining women. Laënnec discovered that if he rolled a piece of paper into a cylinder and pressed it against the chest or back, B______________. His first instrument was a hollow wooden tube 3.5 cm in diameter and 25 cm long, with a small earpiece attached at one end. Laennec's device was similar to the common ear trumpet, C______________. He called his instrument a stethoscope, from the Greek words stethos ("chest") and skopein ("to observe"). D______________, he was able to make more accurate diagnoses.
In 1819, Laënnec published an article E______________. This publication aroused great interest and encouraged widespread use of the instrument over the next 30 years.
Improvements made after Laënnec's death in 1826 included a flexible tube, two earpieces, and a dual-head version in order F______________.
American professor David Littman developed a lighter stethoscope with better acoustics in the early 1960s, and in 2015, Palestinian doctor Tarek Loubani remedied a shortage by creating the first 3D-printed model.
after he invented the stethoscope
it made the sounds more clearly audible
which will be invented later
in which he explained the work of a stethoscope
to press against the back and chest at the same time
who was a famous French physician
which was a historical form of hearing aid
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