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【多选题】
自由中子是不稳定的,它的平均寿命大约是900s,它能自发地发生放射性衰变,衰变方程是: 其中 是反电子中微子(不带电的质量很小的粒子)。下列说法中正确的是( )A.
自由中子的衰变是β衰变,X是负电子
B.
有20个自由中子,半小时后一定剩下5个中子未发生衰变
C.
衰变过程遵守动量守恒定律
D.
衰变过程有质量亏损,所以能量不守恒
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【单选题】听力原文：W：How much are the tickets? M：They are $13 each and $25 for two． Q：How much will the woman pay for one ticket? (7)
A.
$25.
B.
$13.
C.
$30.
D.
$26.
【单选题】Tom and I went to the cinema but we weren' t able to get tickets for______.
A.
two of us
B.
the two of us
C.
the second of us
D.
second of us
【单选题】下列关于 Hibernate 说法正确的是 _________________
A.
Hibernate是对JDBC轻量级的封装
B.
Hibernate在客户端运行
C.
Hibernate是EJB的扩展
D.
Hibernate的配置文件名只能是hibernate.cfg.xml
【单选题】Some people were queuing outside the Scala Theatre for tickets for a very popular show. They had to wait for several hours, and during that time they were entertained by a young man who was playing ve...
A.
were difficult to buy
B.
were easy to get
C.
were sold out in a short while
D.
were not to be sold out
【单选题】Why must Henry book tickets when he is still in the office?
A.
The telephone box is busy
B.
There are only two tickets left.
C.
He wants to do it as early as possible.
【多选题】搭建hibernate应用需要引用hibernate官方目录下的:
A.
/hibernate3.jar
B.
/lib/required/*.jar
C.
/lib/jpa/*.jar
D.
数据库驱动包
【简答题】Tickets Information Dates: 30th July — 8th August The Princess Mon — Fri, 10 a.m., 7 p.m. And The Frog Sat — Sun, 10 a.m., 2 p.m., 7 p.m. Venue: Star Theatre ...
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