单项选择题


A．regretfully
B．miserably
C．unfortunately
D．instead
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单项选择题
A．particularlyB．partiallyC．thoroughlyD．completely
A．particularly
B．partially
C．thoroughly
D．completely
单项选择题
By observing the behavior of animals, scientists may be able to ______.
A．prevent disasters
B．organize groups of people
C．predict earthquakes
D．control areas of California
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