单项选择题

某拟建项目预计产品年产量为30万，每吨单价为400元，资料显示该类项目资金周转率为1.5。则该项目总投资额大约为（）万元。

A.8000
B.10000
C.12000
D.18000
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下列问题是基于“学生-选课-课程”数据库中如下三个关系：S(S#，SNAME，SEX，AGE)，SC(S#，C#,GRADE)，C(C#，CNAME，TEACHER)查找学生号为'200301188'的学生的“数据库”课程的成绩，至少将使用关系查找学生号为'200301188'的学生的“数据库”课程的成绩，至少将使用关系D.S、SC和C
A.S和SC
B.SC和C
C.S和C
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Task 2Directions: This task is the same as Task 1. The 5 questions or unfinished statements are numbered 41 through 45.Walt Whitman is often called the poet of American democracy (民主). He lived during the American Civil War, and he admired president Abraham Lincoln very much.Whitman was the first American poet who wrote about true equality among all other peoplE.IThrough Whitman's lines, we can see ______.A.he wanted to sing a song for himselfB.he was very proud of himselfC.his strong feeling towards the true equality among all peopleD.it is God that created man
A.Walt
B.
C.
A.he
D.he
E.his
F.it
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