Diagnostic test is often used for the purpose of__________.A.finding out what students know and don' t knowB.measuring students' general language proficiencyC.knowing whether students have the right language aptitudeD.checking whether students have achieved the teaching objectives
Diagnostic test is often used for the purpose of__________.
A.finding out what students know and don' t know
B.measuring students' general language proficiency
C.knowing whether students have the right language aptitude
D.checking whether students have achieved the teaching objectives
B.measuring students' general language proficiency
C.knowing whether students have the right language aptitude
D.checking whether students have achieved the teaching objectives
参考解析
解析：考查语言测试类型。题干意思是：诊断性测试的主要目的是什么诊断性测试是语言测试的一种类型，它主要用来探测和发现学生的理解和表达障碍．以便教师及时改进教学手段．从而积极地干预学习过程。诊断性测试常常基于教师的教学经验和学生对某些语言点尚未完全掌握所表现出的种种迹象来命题。其成绩一般不用来衡量和评估学生的语言水平。因此只有A项“发现学生知道什么和不知道什么”符合题意。B项属于水平测试(proficiency test)，C项属于能力测试(aptitude test)，D项属于学业成绩测试(achievementtest)。故选A。
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