挪威人喜欢吃沙丁鱼，尤其是活鱼。市场上活沙丁鱼的价格要比死鱼高许多。所以渔民总是千方百计地想法让沙丁鱼活着回到渔港。可是虽然经过种种努力，绝大部分沙丁鱼还是在中途因窒息而死亡。但却有一条渔船总能让大部分沙丁鱼活着回到渔港。船长严格保守着秘密。直到船长去世，谜底才揭开。原来是船长在装满沙丁鱼的鱼槽里放进了一条以鱼为主要食物的鲶鱼。鲶鱼进入鱼槽后，由于环境陌生，便四处游动。沙丁鱼见了鲶鱼十分紧张，左冲右突，四处躲避，加速游动。这样一来，一条条沙丁鱼欢蹦乱跳地回到了渔港。原来鲶鱼进入鱼槽，使沙丁鱼感到威胁而紧张起来，加速游动，于是沙丁鱼便活着到了港口。
上面的案例说明的是一个非常著名的心理学效应，它是（） 皮格马利翁效应。 海潮效应。 鲶鱼效应。 沙丁鱼效应。
A customer wants to implement the following Blades in BladeCenter H:Two POWER Blades running IBM i partitions.Two POWER Blades running AIX and LinuxFour x86 Blades running Windows. Which of the following design consideration statements is correct?（） The Blades must use the same CIOv and CFFh expansion adapter types.。 Two physical BladeCenter H chassis will be required. One for the POWER Blades, the other for the x86 Blades.。 The x86 Blades and POWER Blades may use different expansion adapters provided the POWER Blades are in bays 1-7 and the x86 Blades are in slots 8-14.。 The x86 Blades and POWER Blades may use different expansion adapters, provided the corresponding I/O modules to Blade midplane connections are configured in the Advanced Management Module (AMM).。
地价的特征包括（）。 地价是地租的资本化。 地价是权益价格。 土地具有增值性。 效益级差性。 地价与用途有关。
病毒的化学组成及各组成，它们各自的作用是什么？
You work as a database administrator for Supportcenter.cn. Users complain that their query is taking a long time to complete. You suspect the database buffer cache size to be the reason， and you define an alert to be generated when the buffer cache hit metric goes below 85%. When you observe the dynamic performance views， you find that the buffer cache hit ratio is 81% but no alerts are being generated. What could be the reason for this problem？（） The advisory memory has been turned off.。 The DB_CACHE_ADVICE parameter has been set to OFF in the parameter file.。 The STATISTICS_LEVEL parameter has been set to BASIC in the parameter file.。 The TIMED_STATISTICS parameter has been set to FALSE in the parameter file.。 The STATISTICS_LEVEL parameter has been set to TYPICAL in the parameter file.。
研究幼儿园管理的常用方法，主要有以下几种（）
