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【单选题】
You&39;d better take these documents with you __ you need them for the meetingA.
unless
B.
in case
C.
until
D.
so that
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【单选题】在Windows 2003计算机中安装活动目录的命令是( )。
A.
Active Directory
B.
Dcpromo
C.
Setup
D.
Winnt32.exe
【简答题】柴油机烟度计可分为 、不透光式烟度计和重量式烟度计等多种。
【简答题】不透光烟度计检测原理是根据光在排气中被烟尘消减的程度来检测烟度。不透光烟度计可以分为 [填空(1)] 和 [填空(2)] 两种类型。A. 全流式B. 分流式
【单选题】I didn’t expect to () my teacher in the street yesterday
A.
refer to
B.
wok with
C.
deal with
D.
run into
【单选题】—I didn’t expect that John would be absent from my last Sunday’s birthday party. —As far as I know, he ______ to see his parents in the countryside on Sundays.
A.
goes
B.
went
C.
has gone
D.
had gone
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