单项选择题Bob: What are you reading, Frank Tom: It’s this week’s New Scientist, why Bob: I was just wondering—________, but I’ve never actually read it myself. Is it aimed at real scientists or can ordinary people like me understand it
单项选择题________Alan’s amazement, the passport office was closed when he arrived.
单项选择题She often thinks that her six years in Italy were wasted, ________she________ that time learning more Italian.
单项选择题He constantly________his proposal that________of the budget surplus be used to offer a voluntary prescription drug benefit to seniors.
单项选择题Scientists have warned that penguins in the Antarctic could be very________to changes in climate and could be threatened by any long-term temperature shifts.
