题目内容

请列举身边存在的或你知道的2种植物毒物和2种动物毒物，并写出对应毒物的毒性成分。

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请简要写出你学习《毒物探秘》课程的收获或你对本课程的建议（100字左右）。

Data is a collection of facts made up of numbers, symbols and .

A. pictures
B. characters
C. words
D. text

A database is a collection of related objects, including tables, forms, reports, queries, and scripts, created and organized by .

A. SQL
B. DBMS
C. RAID
DLT

A data management system is a that controls the data in a database.

A. hardware
B. software
C. OS
D. NOS