18．She is an excellent student in our class，and she always ________ herself in her studies．（　�。�
A．hidesB．buriesC．coversD．leaves

分析 她是我們班里優(yōu)秀的學(xué)生，總是埋頭于學(xué)習(xí)．

解答 答案是B．考查詞組bury oneself in sth．埋頭苦干于…，專心致志于…A 隱藏；B 埋藏；C 覆蓋；D 離開．句意是"她是我們班里優(yōu)秀的學(xué)生，總是埋頭于學(xué)習(xí)．"運(yùn)用了詞組bury oneself in…，故選B．

點(diǎn)評 解答此類問題首先需要理解每個單詞的基本含義，并注意交叉含義間的區(qū)別，了解其特殊用法及習(xí)慣搭配等特點(diǎn)，然后結(jié)合語境選擇正確答案．

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