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【单选题】
( )是团的民主集中制原则在团的生活中的集中体现A.
团代表大会
B.
团内民主选举
C.
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知识点：
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
【简答题】机械振动按振动规律分为 、 、 和 等。
【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
【简答题】什么是蛋白质的变性？影响蛋白质变性的因素有哪些？
【单选题】They ______trouble lifting the heavy box. [ ]
A.
didn't have many
B.
hadn't a lot of
C.
didn't have much
D.
haven't a great deal of
【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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