1. A) little B) slowly C) quick D) radically
2. A) burst B) explode C) opened D) disappeared
3. A) gained B) made C) lost D) disappeared
4. A) emerged B) merged C) has combined D) mixed
5. A) what B) which C) where D) that
6. A) expand B) to extend C) expanded D) extended
7. A) called B) calling C)to call D) calling on
8. A) to B) for C) with D) by
9. A) whatB) thatC) whichD) this
10. A) put offB) cancelingC) destroyedD) canceled
11. A) beforeB) in advanceC) ahead ofD) later
12. A) introducedB) brought inC) taken inD) adapted
13. A) advancedB) beforeC) aheadD) prior to
14. A) latelyB) laterC) lateD) latter
15. A) despite ofB) despiteC) in spiteD) although
参考答案: DACBD CADCD BAABB
