A) merged

　　B) collaborated

　　C) coincided

　　D) constituted

　　7. There was once a town in this country where all life seemed to live in _____ with its surroundings. (98/1)

　　A) coincidence

　　B) harmony

　　C) uniform

　　D) alliance

　　Ascertain(3次)

　　The police are trying to ________ what really happened. (04/6)

　　A) ascertain

　　B) assert

　　C) avert

　　D) ascribe

　　2. _______ that the demand for power continues to rise at the current rate, it will not be long before traditional sources become inadequate. (02/12)

　　A) Concerning

　　B) Ascertaining

　　C) Assuming

　　D) Regarding

　　3. We shall probably never be able to ____ the exact nature of these sub-atomic particles. (02/6)

　　A) assert

　　B) impart

　　C) ascertain

　　D) notify

　　Assemble(3次)

　　The idea is to _____ the frequent incidents of collision to test the strength of the wind-shields. (03/6)

　　A) assemble

　　B) simulate

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