It is widely accepted that animals learn to do things because their certain acts lead to _______.
A．rewardsB．prizeC．a(chǎn)wardsD．results
A
本題考查名詞。reward為“獎賞”之意。句意：動物學(xué)做事情是因?yàn)樗麄円欢ǖ男袨閷?dǎo)致獎賞，已經(jīng)被廣泛的承認(rèn)。
練習(xí)冊系列答案
相關(guān)習(xí)題

科目：高中英語 來源：不詳 題型：單選題

It’s a major         for Obama and his national security team, to fulfill the goal once voiced by Obama’s predecessor, George W. Bush, to bring to justice the mastermind （設(shè)計(jì)者）of the 9-11 attacks.
A．a(chǎn)necdoteB．a(chǎn)ccomplishmentC．negotiateD．campaign

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

The Committee had met many times, but had not come up with __________ to the
problem.
A．a(chǎn) wayB．a(chǎn)n idea C．a(chǎn) solutionD．a(chǎn) method

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

It is a pity that none of the ______ stopped ______ the poor man lying there, begging.
A．passer-bys; to helpB．passers-by; helping
C．passer-bys; helpingD．passers-by; to help

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

It’s generally considered that being named as Time’s Person of the Year is a(n)          of one’s success.
A．recognitionB．realizationC．contributionD．a(chǎn)chievement

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

There was only one ____ of transportation in this mountainous area five years ago.
A．mean B．means C．meaning D．way

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

It’s my           to make sure that the disabled people in our neighborhood have access to all public buildings.
A．a(chǎn)mbitionB．behaviorC．dignityD．a(chǎn)ssistance

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

“Boys and girls, you are asked to submit a(n) _______ of about 100 words of the lecture given by Professor Yu tomorrow” , said the teacher.
A．impressionB．reportC．a(chǎn)bstractD．conclusion

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

_____ were sent to hospital and _____ were buried.
A．The burnt; the deadB．The injuring; the dying
C．The injured; the deadD．The injured; the died

查看答案和解析>>

同步練習(xí)冊答案