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【多选题】
下面属于 javascript 基本数据类型的有( )。A.
字符串
B.
数字
C.
null
D.
undefined
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【多选题】关于在事务处理中捕获异常,下列叙述正确的是()
A.
默认情况下，如果开发者在代码中加入了try...catch...语句，Spring将不能在事务中正常回滚
B.
默认情况下，如果开发者在代码中加入了try...catch...语句，需要在catch语句块中加入throw new RuntimeException();以便于Spring正常事务回滚
C.
在基于xml方式的声明式事务管理中，需要配置rollback-for或者no-rollback-for
D.
在基于@Transaction注解的声明式事务管理中，需要制定rollbackFor或noRollbackFor
【单选题】They have been tightening their belts for months, adapting themselves to a war economy.
A.
modifying
B.
adopting
C.
arranging
D.
adjusting
【单选题】The correct tightening is obtained by use of _____ to measure the extension given to the bolts.
A.
pressure gauges
B.
stretch gauges
C.
thermometers
D.
bridge gauges
【简答题】Tightening labor
markets and rising global energy and food prices pose a risk _________ consumer
price stability.
【单选题】In the past few months, the country _____ a further tightening of supply restrictions, making fuel and food supplies more difficult to obtain.
A.
would witness
B.
witnesses
C.
has witnessed
D.
had witnessed
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