advisable a. 明智的，可取的，适当的

【真题再现】It is always advisable for business to look beyond the price tag and look for a business -only provider that can offer more reliability, with good support.
公司不但要看价格，选择更加可靠和服务质量更好的商用网络运营商才是明智的。

【CET-6,2009.12，阅读】
【联想记单词】词根词缀：advise （v. 劝告)→advisable （a. 明智的，可取的）
【活学活用】-It is advisable to wear flat shoes when go shopping.
-建议购物时穿平底鞋。

boom n. 繁荣；吊杆；隆隆声 v. （使）兴旺

【真题再现】The once booming car market has become saturated.
曾经繁荣的汽车市场已经饱和了。

【CET-6,2003.09，阅读】
【联想记单词】联想：baby boomer 婴儿潮，生育高峰期
【活学活用】-Ancient Chang'an City was ever in a boom!
-古长安城曾经很繁荣！