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【简答题】
20世纪80年代，国际标准化组织颁布了()，促进了网络互联的发展。 AOSI/RM BSMNP CFTP DTCP/IP
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皮皮学刷刷变学霸
举一反三
【单选题】I’m hungry. I_____ breakfast yet.
A.
didn’t have
B.
had
C.
haven’t had
D.
haven’t have
【单选题】I ______ go to bed until I ______ finished my work. a. don’t/had b. didn’t/have c. didn’t/had d. don’t/have
A.
don’t/had
B.
didn’t/have
C.
didn’t/had
D.
don’t/have
【单选题】---- You didn’t do your homework _______, Tom. ---- I’m sorry, mom. But I don’t have ______ for such things.
A.
careful enough; enough time
B.
enough careful; time enough
C.
carefully enough; enough time
【单选题】设int a=3,b=4,c=5,则下面表达式中,值为0的表达式是( )。
【单选题】听力原文：F: Why didn't you phone me? M: Um... I didn't have any change for a pay phone. What did the woman want the man to do?
A.
Get her some change.
B.
Phone her.
C.
Pay the phone bill.
【简答题】日常饮食中高蛋白食品比比皆是, 举出几个食品加工利用蛋白质变性的例子,并谈谈什么是蛋白质变性,影响蛋白质变性的因素有哪些?
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