采用演绎法时，能够满足观测数据的系统模型有无穷多个。()

A.正确 B.错误

A.学生在老师的引导下，通过观察和分析，总结出所学语法形式的规则 B.教师直接向学生传授该语法形式的规则，然后举例说明 C.教师布置任务，学生通过完成任务学习语法规则 D.通过教师与学生的互动活动完成语法规则的讲解和学习

A.正确 B.错误

A.Analyzing B.5 percent last year， C.Imports amounted to D.U E.Therefore， F.and for G._______2) H.The changes of the scientific world are mostly in the directionof progress， I._______3) J.People may have no idea of the information kept on them，have no way of finding K.who could use it for all sorts of hostile，even criminal purposes._______4) L.In the M.Arab world your meeting may be held in the presence of strangers or frequently interrupted;but this is not customary in N.Europe and O.North P.In the Q.United R.In S.China，it is quite acceptable to talk about family things，which is taken as a sign of concern;but in the T.So polite manners really differ from country to countryt_______

A.归纳法是从观察开始 B.演绎法是先推论后观察 C.演绎法是从一般到个别，归纳法则反之 D.归纳法是从一般到个别，演绎法则反之