下列关于工程项目目标应满足条件说法正确的是( )。
A.目标是现实的,可达到的
B.目标不应有时间限制
C.目标只能由最高决策者掌握
D.目标应是长远和抽象的
参考答案:A
阅读理解。
Dongdong is my friend. He is fifteen years old. He likes to eat fruit. He says "My favourite fruit is orange."
He usually (经常) eats bread and drinks milk in the morning. He eats lunch at school. In the evening, he goes
home. He eats supper with his parents. He eats an orange, then he goes to bed.
A) 判断下面句子是(T)否(F)正确。
( ) 1. Dongdong likes fruit and meat.
( ) 2. He eats bread and drinks milk for breakfast.
( ) 3. His favourite fruit is orange.
B) 再仔细读一遍上面的短文,完成下面的小题。
1. How old is Dongdong?
2. He eats lunch at . He eats supper at . (home, school)
3. What is your favourite food?
在下列的两个关系中,学号和系号分别为学生登记表和系信息表的主键(或称主码),则外键是()。 学生登记表(学号,姓名,性别,年龄,系号) 系信息表(系号,名称,办公室,主任)
A.学生登记表的学号
B.系信息表的系号
C.学生登记表的系号
D.系信息表的名称