采用直接委托的方式发包建设任务有( )。A．采用特定专利技术、专有技术进行勘察、设

The "main storage" normally means that part of internal storage into which instructions and other data must be loaded for subsequent execution or processing. In large computing systems, the term "main storage" is (71) to "memory". "Buffer" mainly indicates a special-purpose storage or storage area allowing, through (72) storage, the data transfer between two functional units having different transfer characteristics. A buffer storage is used between non-synchronized devices or where one is (73) and the other is parallel or between those having different trans far rates. " (74) (memory)" is also a special-purpose buffer storage, smaller and faster than main storage, used to hold a copy of instructions and data obtained from main storage and likely to be needed next by the processor. "Register" is commonly composed of a part of internal storage having a specified storage (75) and usually intended for a specific purpose.

（74）是（）

A.Cache

B.Buffer

C.Register

D.Trigger

2010年上半年以来，粮价不断上涨，给居民生活带来不小的压力。据此回答1~2题。

1、下列图示，能正确反映粮食的需求（Q）随粮价（P）的变化而变化的是[ ]

2、针对粮食价格上涨过快的势头，国家发改委有关官员接受采访时表示：为抑制价格水平过快上涨，必要时执行价格临时干预的措施。这主要体现了宏观调控的[ ]

A、经济手段

B、法律手段

C、行政手段

D、市场调节

关于听神经瘤的CT表现，下列哪项说法错误（）

A.常发生梗阻性脑积水

B.增强后明显强化

C.同侧岩骨骨质增生

D.同侧桥小脑角池增宽

E.可以双侧发病

用户使用的电力电量，以计量检定机构依法认可的用电计量装置的记录为准。用户（）、施工安装和运行管理，应当符合国家标准或者电力行业标准。

A．受电装置的购买

B．受电装置的设计

C．受电装置的规格

D．受电装置的应用

明朝时，浙江的棉纺织业出现“商贾从旁郡贩棉花列肆吾土，小民以纺所成，或纱或布，清晨入市，易棉花而归，仍治而纺织之，明日复持以易”的现象。这反映了（）

A.民营手工业占主导地位

B.商品经济渗透到浙江一些村镇

C.大量的原棉被投入市场

D.出现以棉纺织业为中心的城市