【单选题】【消耗次数：1】
（）是游离于单元之外的特殊数据单元，可以唯一标识一个表页，用于在大量表页中快速选择表页。
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相关题目
【简答题】
在软件界面中，常用界面类型为_____ 页、_____ 页、_____ 页、_____ 页、_____ 页和_____ 页。
随机题目
【单选题】
14.____in a mountain village, Zhang ming has now become a famous writer.
①
Beforeaschoolteacher
②
Onceaschoolteacher
③
Hewasaschoolteacher
④
Heworkedasaschoolteacher.
【单选题】
16.—What made more than 100 passengers die. --- ________the air crash in Russia.
①
Itwas
②
Therewas
③
Thatwas
④
Thiswas
【单选题】
18．What do you think it is ____made them realize the importance of mastering a second language?
①
what
②
who
③
which
④
that
【单选题】
7．--Here is a new schoolbag for you. --Thank you, Mum, but there is no need ______a new one for me.
①
tobuy
②
tohavebought
③
buying
④
bought
【单选题】
2． Listen to the two girls by the window. What language _________?
①
didyouspeak
②
weretheyspeaking
③
aretheyspeaking
④
havetheybeenspeaking
【单选题】
4.I do every single bit of housework ____my husband Bob just does the dishes now and then.
①
since
②
while
③
when
④
as
【单选题】
9．The hero often said， “One should love ______ country！”
①
it’s
②
their
③
one’s
④
himself
【单选题】
6.I hope she is getting better.It`s said he ___a bad cold for a month.
①
hashad
②
hadhad
③
has
④
washaving
【单选题】
8．We ______ last night， but we went to the concert instead．
①
musthavestudied
②
mightstudy
③
shouldhavestudied
④
wouldstudy