4．-can I have some information about the course？
It ____ for beginners and lasts two weeks．（　�。�
A．designsB．is designedC．designedD．was designed

分析 --我能了解一些關(guān)于這個(gè)課程的信息嗎？
--它是為初學(xué)者設(shè)計(jì)的，持續(xù)2周．

解答 答案是B．本題考查被動(dòng)語態(tài)．根據(jù)句意判斷，it指的是the course，所以"it"和"design（設(shè)計(jì)）"之間是被動(dòng)關(guān)系，排除A和C；由問句中can判斷句中用與現(xiàn)在相關(guān)的時(shí)態(tài)，故選B．

點(diǎn)評(píng) 本題考查被動(dòng)語態(tài)，要分析主語和動(dòng)詞之間的關(guān)系，聯(lián)系動(dòng)詞本身的特定用法；在掌握被動(dòng)結(jié)構(gòu)的基本形式"be/get+過去分詞"的基礎(chǔ)上理解不同時(shí)態(tài)的被動(dòng)語態(tài)的結(jié)構(gòu)，最后進(jìn)行綜合判斷．

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