水质监测的四个断面()()()()。如果是三个则是()()()
参考答案:背景断面;对照断面;控制断面;削减断面;对照断面;控制断面;削减断面
第二节:完成句子(10分,每小题2分)
76.Since LiMing settled here, he______________(相处得很好)with his neighbors.
77.___________(因为)the bad weather , we have to stay at home instead of going to see the film.
78.At first he wanted to give up the chance, but later he____________(改变主意)。
79.The girl_______________(正在看书的)is from Canada.
80.If you are in trouble , you can_______________(求助) your teachers.
为使残肢末端更好承重,要求外科医生在截肢手术中()
A.使残端更好地被软组织覆盖
B.尽可能多切除神经
C.皮肤缝合应格外小心
D.残端最好为圆锥式形状
E.尽可能多保留肌肉