【单选题】政府采购当事人不得伪造、变造、隐匿、销毁需要依法保存的文件,这体现的政府采购的原则是( )。
【单选题】(I) Because interest rates on Treasury bills are more volatile than rates on long-term securities, the return on short-term Treasury securities is usually above that on longer-term Treasury securities...
A.
(I) is true, (II) false.
B.
(I) is false, (II) true.
【单选题】如图是两种物质在光照条件下发生化学反应的微观示意图(一种小球代表一种原子)。下列说法中不正确的是( )
【单选题】The street was wet, ______it rained last night.
【判断题】色彩的调和是指配色的整体感觉,它由色彩的色相、冷暖、明度和面积大小所决定。
【单选题】It rained last night for this road is wet and slippery this morning.
【判断题】汽车的整车整备质量是指装备完全的汽车质量,包括冷却液、燃料及随车附件的质量。
【单选题】The assumption that prices for short-term and long-term securities are determined independently is the basis for the __________________ approach to explaining the term structure.
【多选题】关于硬盘的接口,下列说法正确的是________。
A.
IDE接口的数据最大传输率是3MB/s,一条IDE信号线最多连接两台IDE设备
B.
SATA是串行接口,采用低电压差分信号技术,数据传输率和传送距离更远
C.
SCSI卡上有五个通道,可以在6m或更长的距离内以菊花链方式挂接7个不同的外设
D.
SATA 1.0数据传输速率为150MB/s