A scientific hypothesis can only be ______ by indisputable facts ,i.e. , by evidence derived from actual observation and experiment.
A: claimed
B: exposed
C: continued
D: confirmed
A: claimed
B: exposed
C: continued
D: confirmed
D
举一反三
- Evidence obtained from observation and experiment is often used to _____ a scientific theory.
- Evidence obtained from observation and experiment is often used to ______ a scientific theory. A: confirm B: confine C: conform D: conceive
- 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
- The probability of an event E in an empirical<br/>experiment may change from experiment to experiment. ( )
- It can be concluded from the passage that the "big bang" theory is ______. A: a fact B: a disproved hypothesis C: an unsupported opinion D: an idea with some supporting evidence
内容
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There is really no evidence from scientific studies that vitamin C can lower the incidence of the common cold, or prevent it in the first place.
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There is no scientific evidence as yet that animals can shed tears from emotion. A: A B: B C: C D: D E: E F: F G: G H: H I: I J: J K: K L: L M: M N: N
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I was not only shocked but also disgusted that the report tried to ________ the scientific facts in such a manner that even some highly-educated people were fooled.
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If an experiment is far from enough to answer the original question, it is considered as a flawed experiment, in other words, a failed experiment.
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Primary research method can include( ). A: Experiment B: Observation C: Interview D: A.B and C