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
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