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【简答题】
钢板探伤时,超声波的频率多为 ,在房间中利用空气探头进行超声波防盗时,超声波的频率多为 。
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举一反三
【多选题】Which four types of objects can be thrown using the throw statement?
A.
Error
B.
Event
C.
Object
D.
Exception
E.
Throwable
F.
RuntimeException
【简答题】Listen to part of a n internal meeting at a clothing firm, based in the UK. Which four types of transportation do they discuss? 4.1Listening script.doc
【简答题】Select four types of product which can fall into the four types of buying behavior respectively.
【简答题】虚拟目录是一个位于Apache服务器主目录之外的目录。一般在什么情况下,可以使用虚拟目录?
【单选题】Which of the following is not one of the four types of writing in English ?
A.
Description
B.
Argumentation
C.
Practical
D.
Exposition
【单选题】Which four types of writing should students learn to write? 1 Prose 2 Description 3 Argumentation 4 Novel 5 Exposition 6 Narration
A.
①②③⑤
B.
②③④⑤
C.
②③⑤⑥
D.
②③④⑥
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