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【单选题】
Before flushing the deck and hold of a bulk carrier in the harbor, _____ should be consulted firstly.
A.
health and Quarantine government
B.
local MSA
C.
the manager and the maintenance engineer of company
D.
officers of the harbor department
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参考答案:
举一反三
【单选题】The expression 'do the trick' in the last paragraph most probably means
A.
come to the point.
B.
fulfill their purpose.
C.
fail of their success.
D.
live up to their promise.
【单选题】关于索引的下列说法不正确的是_______。
A.
索引文件比主文件存储小很多,通常先查索引再找主文件速度会快很多
B.
索引文件存在与否不改变主文件的物理存储,所以更新数据时可不用更新索引
C.
虽然索引文件存在与否不改变主文件的物理存储,但更新主文件数据时要同步更新所有的索引
D.
虽然索引文件增加了存储空间和维护负担,但是当主文件数据量越大时使用索引效率越高
【单选题】What does the expression the 'age of the iron horse' refer to?
A.
The era during which the railroads was the dominant mode of transportation.
B.
The time during which mail was delivered by horse.
C.
The point at which airmail began to constitute the bulk of United States mail.
D.
The time period covered in the museum exhibition.
【判断题】The expression “the most affluent” means the poorest, and the expression “the most deprived” means the richest.
A.
正确
B.
错误
【单选题】关于索引的下列说法不正确的是 _______ 。
A.
索引文件比主文件存储小很多,通常先查索引再找主文件速度会快很多
B.
索引文件存在与否不改变主文件的物理存储,所以索引可以随时被删除并重建
C.
虽然索引文件存在与否不改变主文件的物理存储,但更新主文件数据时要同步更新所有的索引
D.
索引文件增加了存储空间和维护负担,所以当主文件数据量很大时使用索引是效率不高的
【单选题】The expression 'bracing themselves for the worst' in the second paragraph probably means
A.
sneering at the impending difficulties.
B.
cheering themselves up for the worst situation.
C.
preparing themselves for the worst situation.
D.
having a total disregard for the coming difficulties.
【简答题】The method of scientific investigation is nothing but the expression of the necessary mode of working of the human mind: it is simply the mode by which all phenomena are reasoned about and given preci...
【判断题】鱼类众多,根据其生活习性和栖息环境不同可分为淡水鱼和海水鱼。
A.
正确
B.
错误
【简答题】在“通讯录.xlsx”工作簿中合并A1:F1单元格区域,设置表题的字体格式为“华文琥珀,18”,设置A2:F2单元格区域的字体格式为“方正大黑简体,倾斜,白色”,填充颜色为“蓝色”,自定义A3:A15单元格区域数字的序号格式为“000”,设置A2:F15单元格区域的对齐方式为“居中”,边框样式先为“所有框线”再为“粗匣框线”,完成后自动调整单元格的列宽,并将“背景2.jpg”图片作为工作表背景。
【判断题】设计模板包含配色方案、具有自定义格式的幻灯片和标题母版以及字体样式,只有配色方案可用来创建特殊的外观( )。
A.
正确
B.
错误
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