（答案是B。這里的sign是名詞，意思是“標(biāo)志牌”。）
2003年高考閱讀理解第5篇：
Perhaps the best sign of how computer and Internet use pushes up demand for paper comes from the high?鄄tech industry itself, which sees printing as one of its most promising new markets.
也許計算機和網(wǎng)絡(luò)推動對紙張需求的征兆來自高科技產(chǎn)業(yè)本身，該產(chǎn)業(yè)將印刷當(dāng)成它最有前途的新市場之一。（sign是名詞，表示“征兆”。）
spare
adj. 多余的；剩下的；空閑的。如：
Do you often read books in your spare time?
你業(yè)余時間?？磿鴨?？
v. 節(jié)約；節(jié)省；勻給。如：
She never spares the seasonings when cooking.
她做飯的時候從不吝惜調(diào)料。
Can you spare me 5 minutes? I have something important to tell you.
你能為我抽出5分鐘時間嗎？我有重要的事情告訴你。
[身臨其境]
2000年高考單項填空第12題：
Let Harry play with your toys as well, Clare — you must learn to _______.
2003年高考閱讀理解第5篇：
Perhaps the best sign of how computer and Internet use pushes up demand for paper comes from the high?鄄tech industry itself, which sees printing as one of its most promising new markets.
也許計算機和網(wǎng)絡(luò)推動對紙張需求的征兆來自高科技產(chǎn)業(yè)本身，該產(chǎn)業(yè)將印刷當(dāng)成它最有前途的新市場之一。（sign是名詞，表示“征兆”。）
spare
adj. 多余的；剩下的；空閑的。如：
Do you often read books in your spare time?
你業(yè)余時間?？磿鴨?？
v. 節(jié)約；節(jié)省；勻給。如：
She never spares the seasonings when cooking.
她做飯的時候從不吝惜調(diào)料。
Can you spare me 5 minutes? I have something important to tell you.
你能為我抽出5分鐘時間嗎？我有重要的事情告訴你。
[身臨其境]
2000年高考單項填空第12題：
Let Harry play with your toys as well, Clare — you must learn to _______.