1．The study showed a deep fear among the elderly of being ________ to the care of strangers.
A．dismissed B．abandoned
C．stood D．quit
答案与解析：B abandon舍弃。句意：研究表明，老年人如果被舍弃给陌生人照顾，会有很深的恐惧感。dismiss“解散”；stand“维持，持久”；quit“退出”。
2．The water in the lake is so clean and calm that the ________ of the trees in the water is very clear.
A．mirror B．sight
C．reflection D．shadow
答案与解析：C reflection此处意为“映在水中的倒影”，而不是“影子”或“阴影”，故不能用shadow。句意：湖中的水是如此得清澈平静，以至于水中树的倒影非常清晰。
