1 . Whether the electronic ________(equip) will improve our learning efficiency or not depends on how we use it. (所给词的适当形式填空)

2 . The official confirmed that the paintings were ________(origin)and worth as much as $50 million. (所给词的适当形式填空)

3 . Many people expressed an extremely strong ________ (prefer) for the original plan. (所给词的适当形式填空)

4 . He kept silent over the matter because he had no ____ (intend) to risk being involved in it. (所给词的适当形式填空)

5 . The aim of Earth Day is to raise public _______ (aware) about environmental protection.(所给词的适当形式填空)

6 . English was invented by people, not computers, and it reflects the ________ (creative) of the human race. (所给词的适当形式填空)