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The sign “@” in zhonghua @sina.com means ________ .
A.a(chǎn).B.onC.a(chǎn)tD.in
C

試題分析:a冠詞,泛指任何一個;on介詞,在上面;at介詞,在時間空間的一點(diǎn);in介詞,在里面。結(jié)合常識可知,zhonghua @sina.com中@這個表示在某個網(wǎng)址,網(wǎng)址屬于網(wǎng)絡(luò)上的一點(diǎn),故選C。
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