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【单选题】
两种砂子,如果它们的级配相同,则两者的细度模数 。A.
必然相同
B.
必然不同
C.
可能相同
D.
只能相同
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反馈参考答案：
举一反三
【单选题】______ several hypotheses have been advanced for the disappearance of the dinosaur, no conclusive evidence supports any of them.
A.
Despite
B.
In spite of
C.
Although
D.
In spite of the fact
【单选题】The best title for the passage would be ______.
A.
Hypotheses and Theories
B.
On Distinguishing Fact from Fiction
C.
The Nature of Science and Scientists
D.
Biology and the Scientific Age
【简答题】(P29) 不健康的生活方式是引起多种 ( ) 的最主要原因。
【简答题】The monitor theory consists of five hypotheses, what are they?
【简答题】开口于中鼻道的鼻旁窦
【多选题】The hypotheses of Macroeconomics are:
A.
Market mechanisms are perfect
B.
Market mechanisms are imperfect
C.
The government has the ability and authority to regulate the economy
D.
The government do not regulate the economy, let it free
【单选题】Scientists' hypotheses are guesses which are already supported by a certain amount of evidence, derived from actual observation and experiment.
A.
theoretical
B.
psychological
C.
empirical
D.
emotional
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