A.were interested in navigation
B.were unaware of the value of their studies
C.worded with electricity
D.yielded
[名词解释] dynamic series
[单选题]Life involves making decisions and changes. Decisions and changes involve m
[单选题]Life involves making decisions and changes. Decisions and changes involve m
[单选题]Life involves making decisions and changes. Decisions and changes involve m
[单选题]Life involves making decisions and changes. Decisions and changes involve m
[单选题]Life involves making decisions and changes. Decisions and changes involve m
[单选题]Life involves making decisions and changes. Decisions and changes involve m
[单选题]Life involves making decisions and changes. Decisions and changes involve m
[单选题]Life involves making decisions and changes. Decisions and changes involve m
[单选题]Life involves making decisions and changes. Decisions and changes involve m