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【单选题】
创建数据表时，如果给某个字段定义PRIMARY KEY约束时，该字段的数据（ ）。A.
不允许有空值
B.
允许有多个空值
C.
允许有一个空值
D.
都不对
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【单选题】The boy is so lovely. I cannot help ______ his cheek whenever I meet him.
A.
kiss
B.
to kiss
C.
kissing
D.
will kiss
【简答题】请整理今天课上我说讲的主要内容(可从以下方面进行): 对质量管理工程专业内涵的理解; 本课程主要讲的内容是什么? 首次课的收获和感受是什么? 你对本课程的希望是什么? 要求:不少于200字,段落和条理清晰
【单选题】听力原文：M：I meet with a sticky problem．I find it is so hard to make the decision．That nearly drives me crazy． W：Well，don't worry．Come on，I am all ears． Q：What does the woman mean? (18)
A.
The man should keep it as a secret.
B.
The woman would like to know about that problem.
C.
The man should listen to the others' opinion.
D.
The man should wait for a while.
【单选题】The Science of Lasting Happiness The day I meet Sonja Lyubomirsky, she keeps getting calls from her Toyota Prius dealer. When she finally picks up, she is excited by the news: she can buy the car she ...
A.
Y
B.
N
C.
NG
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