参考答案:B
答案解析:[听力原文]27-28
Indonesian President Abdurrahman Wahid has granted amnesty to thousands of prison
Passage 3
Questions 17 to 20 are based on the passage you have just heard.
[听力原文]
There are about two thousand and eight hundred languages in the world. Accordin
第39题:[单选题]GSM-R系统的短号码应由( )位数字组成。
A.4
B.5
C.6
D.7
参考答案:A
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