题目内容

They some firewood the woods and lit a large fire.

A.
collected, from
B.
collect, from
C.
collected, to
D.
were collecting, to

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The Discovery of Anesthetic

Robert Liston used an anesthetic(麻醉剂)in all operation in London during which he cut off a leg in 26 seconds．There was not a sound from the sick man．and when he came to his senses he asked．“When are you going to begin?”What a change this was from the operations in earlier days!Simpson heard of it．hurried to London，and brought some ether(醚)back to Edinburgh．There he used it himself．But ether was not a perfect anesthetic．It had a bad smell，and its results on the sick man after the operation were unpleasant．Simpson decided to try to find a better anesthetic．

He had his two friends．Duncan and Keith．then sat night after night in Simpson’s sitting room．and tried one gas after another on them―selves．This was not very safe，and it was a good thing that they some―times tried a new gas on an animal first．Once Simpson was just going to try a new gas himself．when he was told that he ought to try it first on an animal．He did so，and the animal died．

After about a year's work of this．the three men tried a new anesthetic called chloroform(氯仿)．Suddenly Simpson fell on the floor under the table．When he cam．e back to his senses．the first thought in his

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68．Simpson tried to find a better anesthetic because ．

A．ether had little effect on the sick man

B．ether smelled sour

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A．on scientists themselves first

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To keep the Milu deer safe, they _______ some soldiers to protect them.

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They ________ some firewood ________ the woods and lit a large fire.

试题分类

They some firewood the woods and lit a large fire.