数据库管理技术按发展顺序，经过了那几个阶段（）
A. 人工管理阶段
B. 文件管理阶段
C. 磁盘管理阶段
D. 数据库系统阶段
1.2.1已知质点运动的位置矢量，即运动方程，求其速度与加速度，则釆用。（ ）
Whatistheauthor'spurposeofwritingthisartile?
A. TodrawattetiontoDarwin'stheoryandadvisepeopletobeopentoscience.
B. TomakebelievethatJohnwaswrongedandthejuryshouldbecondemned.
C. Towarnpeopleagainstnewideasthatshouldnotbegivenpublicityto.
D. TopersuadepeoplethattheOldTestamentwasnolongerusefulatall.
WhichofthefollowingisNOTtrueaboutthefirstdayofthetrial?
A. ItwasahistoricalrgressionforDarrowtoseetheauthorontrial.
B. Peopleinthetowntookadvantageofthetrialtomakemoney.
C. hejudgeandthejurorswerenarrow-mindedandignorant.
D. John'scounselincludedDarrow,Malone,BryanandHays.
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