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A．company
B．companion
C．compound
D．component
答案
更多“Since mixtures are composed of two or more pure substances, each______ changes state at a”相关的问题
第1题
A．Place the food on warmer spots.
B．Use prepared feed mixtures only.
C．Avoid using any contaminated food.
D．Continue the feeding till it gets warm.
第2题
听力原文： In ancient societies sick people had to rely on medicine men and witch doctors. (Some people still rely on them.) It was believed that a person was sick because he had been attacked by evil spirits. The witch doctor's job was to drive off those spirits. His technique involved a combination of three methods. The first method was religious. He chanted magic words and good luck charms. He thought these words and charms had the power over the evil spirits. Secondly, he fed the patient some mixtures. These mixtures were often filthy and disgusting, to make the evil spirits so uncomfortable that they would gladly run away.
The third method was to give the patient medicines prepared from certain plants and herbs. From our point of view, this was the only method that had any value. Modern scientific study has shown that some of these remedies had real usefulness in curing sickness or relieving pain.
(37)
A．Ill luck.
B．Evil spirits.
C．Filthy food.
D．Viruses.
第3题
In primitive societies sick people had to rely on medicine men and
witch doctors.(Some people still rely on them. ) It was believed that a per-
son was sick because he has been attacked by evil spirits The witch doctor's S1.______
job was to drive away these spirits. S2.______
His technique involved a combination of three methods, first of which S3.______
was religious. He chanted magic words, and used good luck charms which
he thought had power on the evil spirits that supposedly had entered the S4.______
victim's body. Secondly, he deliberately fed the ancient mixtures, and were S5.______
often filthy and disgusting, to make the evil spirits so uncomfortable that
they would glad run away and so enable the patient to get well. The third S6.______
method was to give the patient medicines preparing from certain plants and S7.______
herbs that were similar in shape or texture to the various organs of the
body. From our points of view, this was the only method that had any val- S8.______
ue. Modem scientific study has shown that some of these remedies had real
usefulness in curing sickness, and at least in relieving pain, but not for the S9.______
reasons advanced by the witch doctors. S10.______
【S1】
第6题
A.that
B.because
C.which
D.since
第7题
A.For now
B.Now that
C.Ever since
D.By now
