问题 计算题 列式计算（1）76 -15÷5=（2）7×8+48=（3）（176 -122）÷9=（4）3000-700+1300= （5）4700+700-2500=（6）1500-290-710= 答案 （1）原式=76-3 =73（2）原式=56+48 =104（3）原式=54÷9 =6（4）原式=2300+1300 =3600（5）原式=5400-2500 =2900（6）原式=1210-710 =500 选择题 下列官能团不只属于一类有机物的是（ ）A．—ClB．—CHOC．—OHD．—COOH 查看答案 填空题 Asher，the advocate of the Total Physical Response method，views the verb，and particularly the verb in the ______，as the central element around which language use and learning are organized. 查看答案
