Part Ⅱ Language Knowledge(45 marks)
Section A (15 marks)
Directions: Beneath each of the following sentences there are four choices marked A, B, C and D. Choose the one answer that best completes the sentence.
21. On 4 July 1776, the Americans declared that they would no longer submit to British rule, __________ led to war, and to America __________ its independence.
A. which; gaining B. this; gained
C. this; gaining D. which; gained
22. The radiation amount of a mobile phone for two half-hour periods per day is equal to __________ to an X-ray for ten seconds.
A. expose B. exposing C. exposed D. being exposed
23. I like __________ in the autumn when the weather is clear and bright.
A. this B. either C. it D. one
24. An ecosystem consists of the living and nonliving things in an area __________ interact with one another.
A. that B. where C. who D. what
25. It __________ we had stayed together for a couple of weeks __________ I found we had a lot in common.
