【T3】
A. DEPENDS
B.ESSENTIAL
C.DISCOURAGED A.THE CHILD GETS【T1】______
B.THIS【T2】______ON INTERACTION
C.IS【T3】______TO THE GROWTH BUT SPEECH HAS TO BE INDUCED, AND【T4】______BETWEEN THE MOTHER AND THE CHILD,WHERE THE MOTHER RECOGNIZES THE SIGNALS IN THE CHILD"S BABBLING, GRASPING AND SMILING,AND RESPONDS TO THE
M.INSENSITIVITY OF THE MOTHER TO THESE SIGNALS DULLS THE INTERACTION BECAUSE【T5】______AND SENDS OUT ONLY THE OBVIOUS SIGNALS.SENSITIVITY TO THE CHILD"S NON-VERBAL SIGNALS【T6】______AND DEVELOPMENT OF LANGUAG
E.
第1题:
A.8
B.20
C.11
D.9
第2题:
事务T1,T2,T3分别对数据D1,D2,D3并发操作如下图所示,其中T1与T2问的并发操作存在的问题是 (1) 。T2与T3问的并发操作存在的问题是 (2) 。
1.
第3题:
操作序列T1、T2、T3对数据A、B、C并发操作如下所示,T1与T2间并发操作(50), T2与T3间并发操作(51)。
A.不存在问题
B.将丢失修改
C.不能重复读
D.将读“脏”数据
第4题:
【T1】
A. DEPENDS
B.ESSENTIAL
C.DISCOURAGED A.THE CHILD GETS【T1】______
B.THIS【T2】______ON INTERACTION
C.IS【T3】______TO THE GROWTH BUT SPEECH HAS TO BE INDUCED, AND【T4】______BETWEEN THE MOTHER AND THE CHILD,WHERE THE MOTHER RECOGNIZES THE SIGNALS IN THE CHILD"S BABBLING, GRASPING AND SMILING,AND RESPONDS TO THE
M.INSENSITIVITY OF THE MOTHER TO THESE SIGNALS DULLS THE INTERACTION BECAUSE【T5】______AND SENDS OUT ONLY THE OBVIOUS SIGNALS.SENSITIVITY TO THE CHILD"S NON-VERBAL SIGNALS【T6】______AND DEVELOPMENT OF LANGUAG
E.
第5题:
已知赋值语句a:=(b-c)*(d-e),它的后缀式是(29)。
A.abc-de-*:=
B.:=a*-bc-de
C.①(-,a,b) ②(-,c,d) ③(*,①,②) ④(:=,③,x)
D.① (-,a,b,t1) ②(-,c,d,t2) ③(*,t1,t2,t3) ④(:=,t3,,x)
第6题:
事务T1、T2、T3分别对数据D1、D2和D3并发操作如下所示,其中T1与T2间并发操作(14),T2与T3间并发操作(15)。
A.不存在问题
B.将丢失修改
C.不能重复读
D.将读“脏”数据
第7题:
有如下函数模板定义: template <typename T1,typename T2,typename T3> T2 plus(T1 t1,T3 t3){return t1+t3;}
A.plus(3,5L);
B.plus<>(3,5L);
C.plus<int>(3,5L);
D.plus<int, double>(3,5L);
第8题:
有如下函数模板定义: template<typename T1,typename T2,typename T3> T2 plus T1 t1,T3 t3){return t1+t3;} 则以下调用中正确是
A.plus(3,5L);
B.plus<>(3,5L);
C.plus<int>(3,5L);
D.plus<int,double>(3,5L);
第9题:
现有3个同时到达的作J1、J2和J3,它们的执行时间分别是T1 、T2 和T3 ,且 T1<T2<T3。系统按单道方式运行且采用短作业优先算法,则平均周转时间是______。
A.T1 +T2 +T3
B.(T1 +T2 +T3 ) /3
C.(3T1 +2T2 +T3 ) /3
D.(T1 +2T2 +3T3 ) /3
第10题:
【T2】
A. DEPENDS
B.ESSENTIAL
C.DISCOURAGED A.THE CHILD GETS【T1】______
B.THIS【T2】______ON INTERACTION
C.IS【T3】______TO THE GROWTH BUT SPEECH HAS TO BE INDUCED, AND【T4】______BETWEEN THE MOTHER AND THE CHILD,WHERE THE MOTHER RECOGNIZES THE SIGNALS IN THE CHILD"S BABBLING, GRASPING AND SMILING,AND RESPONDS TO THE
M.INSENSITIVITY OF THE MOTHER TO THESE SIGNALS DULLS THE INTERACTION BECAUSE【T5】______AND SENDS OUT ONLY THE OBVIOUS SIGNALS.SENSITIVITY TO THE CHILD"S NON-VERBAL SIGNALS【T6】______AND DEVELOPMENT OF LANGUAG
E.