1 . The spending power of young people varies from person to person. Each, however, ________(face) with the same question: ________ to do with their money? （所给词的适当形式填空）

2 . ________ Jennifer’s leadership, the bookstore was being turned into a place for literature-loving members of the community to get together. （所给词的适当形式填空）

3 . Researchers at the University of California found that_________ (expose) to the cold increases levels of a protein _________helps form brown fat — the type of fat that produces heat and keeps us warm. （所给词的适当形式填空）

4 . Whenever and wherever disasters happen — 9/11 Attacks in New York 14 years ago or the explosion in Tianjin on Wednesday night — it is always the firefighters_________take the lead to run to the very center,_________(save) lives by risking their own. （用适当的词填空）（所给词的适当形式填空）

5 . Culture shock is the difficulty people may experience when being exposed and adjusting to a_________（remarkable） different new culture. （所给词的适当形式填空）