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【判断题】
自感分为内自感和外自感A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【简答题】There were two boys in the lab, did the experiment successfully. A. theclever of whom B. thecleverer or whom C. theclever of them D. themore clever of them
【单选题】Which of the following sentences is tree accord to this article?
A.
Anthropologists and experts all agree with each other to their findings.
B.
Measuring how sound would pass through the model ears is the second step in the research.
C.
The fossils from Sima de los Huesos belong to H. heidelbergensis.
D.
The fossils from Sima de los Huesos belong to Neandertals.
【简答题】In preparing scientific reports of laboratory experiments, a student should _____ his findings in logical order and clear language. (A) furnish (B) propose (C) raise (D) pres...
【简答题】d(sin2x)=
【单选题】下列椎管内肿瘤的特点，错误的是
A.
可发生在脊椎的任何节段，以胸段的发生率最高
B.
根据病因分为原发性和继发性
C.
根据肿瘤部位分为髓内、髓外硬脊膜下和硬脊膜外肿瘤
D.
儿童椎管内肿瘤位于髓内和硬脊膜外者较成人少见
E.
椎管内不同的肿瘤有其特有的好发部位
【单选题】To test _____ danger of not enough sleep caused by playing computer games, scientists did _____ experiment. [ ]
A.
a; /
B.
a; the
C.
the; an
D.
/; an
【单选题】It was in the lab __________was in the charge of Professor Smith __________they carried out the experiment.
A.
where；that
B.
which；where
C.
that；where
D.
which；that
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