题目内容
（请给出正确答案）
The experiment with the dove implied that ______.
A．birds should be taught to navigate
B．a dove that has been caged will not fly long distances
C．some birds cannot fly at night
D．some birds seem to follow the stars when they fly at night
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更多“The experiment with the dove i…”相关的问题
Their experiment ______ much attention．
A．attached
B．attracted
C．acquired
D．awaked
The experiment was ______ easier than we had expected.
A．more
B．much more
C．much
D．more much
We were all overjoyed at the news ______ the experiment turned out a success.
A．which
B．that
C．when
D．what
A.worth
B.worthwhile
C.successful
D.successive
Those scientists were conducting an experiment and expected a good______.
A．effect
B．result
C．consequence
D．affect
A.demonstrate
B.proof
C.defense
D.grasp
The experiment was ______ easier titan we had expected.
A. more
B. much more
C. much
D. more much
After the first experiment, the scientists believed that______.
A．Rico could figure out the meanings of certain words
B．Rico could get clues from its owner during the experiment
C．Rico could calculate exactly
D．Rico was a faithful dog
