第 四 课 时Using Language答案：the History Department of 活学活用It is impossible to say with_howmany countries are affected by bird full.AexactBpreciseCaccuracy Daccurate答案：C答案：was carefully polished 活学活用(2002上 海)The new research team was led by the_engineer.AmainBmajorCchief Dprimary答案：C(2)The new policy on protecting environment was_ _.Aapproved BpastCreceived Daccepted答案：(1)A(2)A活学活用Coal was formed out of dead forests by chemical _.Amethods BpartsCprocesses Dprocession答案：C答案：(1)D(2)B 答案：ahead of time 活学活用On receiving the order,the workers_repair the bridge.Aset up Bset outCset off Dset to答案：D
