"金水相生"说明的关系是()
A.肝与脾
B.心与肾
C.肺与肾
D.肺与脾
E.肝与肾
参考答案:C
选词填空。
Last summer, Lingling went to Xinjiang 1.______ (with/and) her parents. Xinjiang is in the 2.
(east/west) of China. She 3._______ (ride/rode) a horse. She 4. _ (climbs/climbed) the Tianshan
Mountain. She 5.______ (visited/looked) the Tianchi Lake. It 6._ (was/were) very beautiful. She
7. ______ (have/had) a lovely time.
在数据库的如下两个表中,若学生成绩表的主键是学生号和课程名,学生表的主键是学生号。在下列所给的操作中,( )操作不能执行。
A.从学生成绩表中删除行('0001','001',60)
B.将行('0102','002',80)插入到学生成绩表中
C.将学生成绩表中学生号='0101'的成绩改为60
D.将学生成绩表中学生号='0103'的学号改为'0104'