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举一反三
【单选题】Passage Two On the balance sheet, assets and liabilities are classified as either (61) or long-term to indicate their relative liquidity. Liquidity is a (62) of how quickly an item may...
A.
item
B.
measure
C.
means
D.
way
【单选题】Section One Directions: There are three passages in this section. Each passage is followed by some questions or unfinished statements. For each of them, there are four choices marked A, B, C and D. Yo...
A.
A "revocable credit" may be cancelled at any time.
B.
The credits are usually in favor of the exporter.
C.
An "irrevocable credit" may not be amended.
D.
The credits are usually in favor of the importer.
【单选题】在ISO制定并发布的MPEG系列标准中， (14) 的音、视频压缩编码技术被应用到VCD中， (15) 标准中的音、视频压缩编码技术被应用到DVD中， (16) 标准中不包含音、视频压缩编码技术。
A.
MPEG-1
B.
MPEG-2
C.
MPEG-7
D.
MPEG-21
【单选题】窝沟龋
A.
位于牙釉质龋病损前沿，该处牙釉质的晶体开始脱矿，导致晶体间隙增大，当磨片用树胶浸封时，树胶分子足以进入这些间隙，此层称
B.
紧接于透明层的表面呈现结构浑浊，模糊不清，偏振光镜下呈正双折射，孔隙增加，此层称
C.
是病损区范围最大的一层，偏振光镜下也呈正双折射，孔隙较大，能使树胶分子得以进入，也较为透明，且釉质横纹及生长线更为清晰，此层称
D.
此层呈现放射线阻射像，矿化程度较高，偏振光镜下呈现负双折射，此层称
E.
病损从窝沟的侧壁开始，然后沿着釉柱长轴方向向深部扩展，形成基底部向着牙釉质牙本质界三角形病损，称
【单选题】Passage Three
A.
the exporter
B.
the importer
C.
the exporter’s bank
D.
the importer’s bank