单项选择题
Our scientific findings cannot be regarded as ______ in...
单项选择题Our scientific findings cannot be regarded as ______ in such a short period of time.
During times of war or economic ______ many people conv...
单项选择题During times of war or economic ______ many people convert their wealth into precious stones, which are transportable and more easily sold.
It turned out that the officer was not ______ for the a...
单项选择题It turned out that the officer was not ______ for the abuse of land.
