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【判断题】
大约在距今800万年前的某一个时间点上，人类与黑猩猩分道扬镳，最终人类的大脑获得了对声带的实质性控制，那些在化石记录中寻找我们的人类祖先何时学会说话证据的人类学家是在“浪费时间”，这是因为所有的人类祖先都具有能够说话的声带解剖学特征。文段中“这是因为所有的人类祖先都具有能够说话的声带解剖学特征”中的“这”指的是在化石记录中寻找人类祖先何时学会说话证据的人类学家：
A.
正确
B.
错误
参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Passage One Among all the animals, the ape is most like human beings. Both people and apes have the similar brain structure, the similar nerve system, and the similar kind of blood. Ther...
A.
the gorilla is the biggest
B.
the gibbon is only three feet high but it is heavier than the orangutan
C.
the orangutan is smaller than the gorilla and cleverer than the gibbon
D.
the orangutan can stand up to a great height, but others cannot
【单选题】Passage Three Musicians are fascinated with the possibility that music may be found in nature; it makes our own desire for art seem all the more essential. Over the past few years no les...
A.
music should replace language as the major arena of animal research
B.
animal experiments are more often than not cruel and inhuman
C.
great progress has been made in the field of interspecies communication
D.
the experiment with music may help scientific research on animals
【单选题】Directions: There are 20 blanks in the following passage. For each blank there are four choices marked A), B), C) and D) on the right side of the paper. You should choose the ONE that best fits into t...
A.
on
B.
against
C.
with
D.
to