17.Johnson's mother _____ his safety when he didn't come back from school at the usual time.( )
A. | was surprised at | B. | was tired of | ||
C. | was fond of | D. | was concerned about |
15.--What was it that made her so excited?
--_____the highest mark in her class.( )
--_____the highest mark in her class.( )
A. | Because she got | B. | Getting | C. | To get | D. | Got |
13.The most famous animal said to be capable of counting was a horse in Germany at the beginning of the 19th century called Clever Hans.The horse's owner (41)A that animals could think and reason as we can and that this (42)Dcould come from training them.He trained Clever Hans to give the(43)C to arithmetic (算术的) problems; the horse gave the correct answer by (44)B the right number of times with its forefoot.The animal gave the correct answers not only to additions but to other arithmetic,too.It also gave the right answers when the questions were shown to it on a card.
This (45)Cwas talked about so much that scientists studied the horse's(46)D.The committee,after a(n) (47)A study,found that Clever Hans'owner and trainer was (48)A.He had not deliberately trained his horse to stop tapping by giving it a slight(49)B.Members of the committee got the right answers from Hans (50)C when the owner wasn't there,(51)D that this type of trickery (诡计) hadn't happened.
It looked as if the horse really could think and (52)C.But soon after this another scientist found that if the horse was asked questions to which none of the people there knew the answers,then the animal (53)A gave a correct answer.The questions were asked by showing the horse a card that the questioner himself had not (54)B.
This biologist soon discovered that the horse had actually (55)A to very slight unconscious (下意识的) movements of head or body made by a questioner who knew the (56)B number of taps.He counted the taps to himself,and when the horse got to the right number,the questioner's tension (紧张感) was (57)D by a small,unconscious movement of his head or body.The horse then(58)C tapping.Questioners who didn't know the answer didn't do this.The horse had really (59)B itself to answer these very small(60)Dduring its training.
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This (45)Cwas talked about so much that scientists studied the horse's(46)D.The committee,after a(n) (47)A study,found that Clever Hans'owner and trainer was (48)A.He had not deliberately trained his horse to stop tapping by giving it a slight(49)B.Members of the committee got the right answers from Hans (50)C when the owner wasn't there,(51)D that this type of trickery (诡计) hadn't happened.
It looked as if the horse really could think and (52)C.But soon after this another scientist found that if the horse was asked questions to which none of the people there knew the answers,then the animal (53)A gave a correct answer.The questions were asked by showing the horse a card that the questioner himself had not (54)B.
This biologist soon discovered that the horse had actually (55)A to very slight unconscious (下意识的) movements of head or body made by a questioner who knew the (56)B number of taps.He counted the taps to himself,and when the horse got to the right number,the questioner's tension (紧张感) was (57)D by a small,unconscious movement of his head or body.The horse then(58)C tapping.Questioners who didn't know the answer didn't do this.The horse had really (59)B itself to answer these very small(60)Dduring its training.
41.A.believed | B.remembered | C.expected | D.doubted |
42.A.chance | B.knowledge | C.method | D.ability |
43.A.explanations | B.information | C.answers | D.facts |
44.A.jumping | B.tapping | C.moving | D.dropping |
45.A.problem | B.program | C.case | D.model |
46.A.interests | B.activities | C.habits | D.powers |
47.A.careful | B.simple | C.general | D.extra |
48.A.honest | B.creative | C.independent | D.patient |
49.A.praise | B.hint | C.trust | D.attention |
50.A.still | B.nearly | C.even | D.only |
51.A.knowing | B.considering | C.pretending | D.proving |
52.A.work | B.play | C.count | D.argue |
53.A.never | B.sometimes | C.always | D.ever |
54.A.designed | B.read | C.improved | D.answered |
55.A.responded | B.returned | C.complained | D.compared |
56.A.various | B.correct | C.strange | D.direct |
57.A.ignored | B.checked | C.offered | D.shown |
58.A.Practiced | B.continued | C.stopped | D.began |
59.A.permitted | B.taught | C.regretted | D.forced |
60.A.suggestions | B.instructions | C.questions | D.movements |