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【简答题】
Ca 2+ 发挥生物学效应需要（）|Ca 2+ 吸收需要（）|能透过生理半透膜，但不能与钙调节蛋白相结合的是（） A. 钙结合蛋白 B. 钙调节蛋白 C. 游离钙 D. 柠檬酸钙 E. 非扩散钙
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举一反三
【单选题】Which one of the following is a project acceptance indicator given an independent project with investing type cash flows?
A.
profitability index less than 1.0
B.
project's internal rate of return less than the required return
C.
discounted payback period greater than requirement
D.
modified internal rate of return that exceeds the required return
【简答题】Which type of table space must be used if you want to store the index data
separately from the table data?
【单选题】Click the Exhibit（s） button to view the EMPLOYEES table. The EMPLOYEE table contains thousands of rows. The EMP_CODE column is the primary key column. At the end of every month， you are required to pe...
A.
B-tree Index
B.
Bitmap Index
C.
Function-based Index
D.
Partitioned Index
【简答题】Which type of futures contract does NOT allow for the underlying goods to be deliveredA. Interest rate.B. Index.C. Foreign currency.
【单选题】拔除下颌第一磨牙时近中根已取出,残留的远中根平面与牙槽中隔平齐,最适宜的取出方法是
A.
三角挺取根法
B.
根尖挺取根法
C.
根钳取根法
D.
翻瓣去骨取根法
E.
牙钳取根法
【单选题】蛙成体的心脏组成
A.
静脉窦、 1 心房、 1 心室
B.
静脉窦、 2 心房、 1 心室、动脉球
C.
静脉窦、 2 心房、 2 心室、动脉圆锥
D.
静脉窦、 2 心房、 1 心室、动脉圆锥
【单选题】The table contains a million rows for zonewise analysis in the DSS system. DML operations areperformed very rarely on the table. You decide to prepare an index on the ZONE column to enhance theperform...
A.
Bitmap index
B.
Reverse key index
C.
Normal B-Tree index
D.
Function-based index
【单选题】The terms "bitmap," "b-tree," and "hash" refer to which type of database structure?
A.
view；
B.
function；
C.
index；
D.
stored procedure；
E.
trigger；
【单选题】Which type of futures contract does NOT allow for the underlying goods to be delivered?
A.
Interest rate.
B.
Agricultural.
C.
Index.
【单选题】Which of the following supports the XML data type?（）
A.
A unique index
B.
A composite index
C.
A check constraint
D.
A generated column
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