托福词汇辅导：托福关键词汇(30)

　　1. We were gratified to learn of her interest in our case.
　　[A] thankful and pleased [B] sorry and displeased
　　[C] good-natured [D] overwhelmed

　　2. Ordinary light, from the sun or a light bulb, is emitted spontaneously, when atoms or molecules get rid ofexcess energy by themselves, without any outside intervention.
　　[A] need [B] device [C] influence [D] source

　　3. Benjamin Franklin's experience with a Kite in a thunderstorm, while frallght with danger, proved the presence of electricity in lightning.
　　[A] creating [B] ignoring [C] full of [D] exempt from

　　4. Some forms of arthritis may develop when the body's ability to fight disease goes away.
　　[A] takes over [B] comes up [C] is interruppted [D] becomes faulty

　　Keys: ACCD