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【单选题】
工作簿是 Excel 中存储电子表格的一种基本文件,其系统默认扩展名为()A.
doc
B.
exe
C.
bmp
D.
xlsx
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举一反三
【简答题】In what cases penalty clause is added to discrepancy and claim clause?
【单选题】What is concessive clause?
A.
The concessive clause, a type of subordinate clause, contrasts with the main clause.
B.
The concessive clause is the sentence which must be introduced by “ although ” , “ though ” , or “ while ” .
C.
The concessive clause is a sentence with an emphatic “ do ” .
D.
The concessive clause is a type of main clause.
【单选题】导游讲解在导游服务中占主体地位,实地口语导游不仅不会被图文声像导游方式所替代,而且将永远在导游服务中处于主导地位,这是因为()。
A.
导游讲解科技化程度高
B.
导游讲解具有可视性
C.
导游讲解可提供因人而异的个性化服务
D.
图文声像导游方式发展不成熟
【单选题】—Their parents weren't at home. Who did the cooking? —Don and Julie did it by __________. [ ]
A.
ourselves
B.
himself
C.
yourselves
D.
themselves
【简答题】What is the more or less clause?
【简答题】信号源内阻和传输线特性阻抗皆为300Ω, 负载电阻为75Ω。为了匹配,在传输线与负载之间接入一段四分之一波长的无损传输线,该线的特性阻抗应为____欧姆。
【单选题】'Was it a he or a she?'(Line 6, Para 2) may be replaced by ______ ?
A.
Who did it
B.
Who was the person who wrote it
C.
Did he or she write it
D.
Was it written by a man or a woman
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