《马凡陀的山歌》
/L,N0 .85,L0.15,Plt33×10
/L 。肝功能:ALT62U/L,AST85U/L .A30g/L,G38g/L,TBi145 .3μmol/L,DB1135 .5μmol/L,HBV-DNA6 .25×10
copies/ml 。腹水检查:外观为黄色,稍浑浊,比重1 .016,WBC660×10
/L,中性粒细胞0 .75 。腹水细菌培养鉴定为大肠埃希菌,抗酸染色(-),未见肿瘤细胞 。
下面是两位教师为学生布置的作业。
Teacher1
Step 4:Homework
1.Write new words and phrases on the notebook.
2.Finish exercise 3 on Page 21.(Text book)
3.Finish exercises on Page 20-24.(Exercise book)
Teacher2
Step 4:Homework
1.Find some relative information about today's lesson on the Internet.
2.Share your findings with your group members and present to the whole students next class.
根据上面的信息,从下面三个方面作答:
(1)布置作业有什么意义?(8分)
(2)分析两位教师布置作业的特点,并指出其不足之处。(10分)
(3)教师在布置作业时应注意哪些问题(至少四个方面)?(12分)