1. It is said in some parts of the world, goats, rather than cows, serve as vital _____of milk.
A. storage
B. reserve
C. resource
D. source
2. “This light is too______ for me to read by. Don’t we have a brighter bulb some where”, said the elderly man.
A. mild
B. dim
C. minute
D. slight
3. We have arranged to go to the cinema on Friday, but we can be _______and go another day.
A. reliable
B. probable
C. feasible
D. flexible
解析：
1. D。據(jù)說在世界的某些地方，山羊取代了奶牛被當(dāng)作是重要的供奶來源。storage儲(chǔ)藏，reserve 儲(chǔ)藏，resource 資源，source 來源。
2. B。老人說：“這個(gè)光線對(duì)我來說太暗了，有沒有更亮的燈泡�！� mild 溫和的，dim 黯淡的，minute 微小的，slight 輕微的 。
3. D。我們已經(jīng)計(jì)劃好了星期五去看電影，但是也可以靈活點(diǎn)改天再去的。reliable 可靠的，probable 適當(dāng)?shù)�，feasible 可行的，flexible 靈活的。