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【判断题】
在关系代数中,二维表的每一行称为一个元组,每一列称为一个属性。A.
正确
B.
错误
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【简答题】健康风险识别一般包括哪两种方法?张先生，50岁，25年吸烟史，本人无糖尿病，血压150/90mmhg，体质指数25，总胆固醇5.46mmol/L，经常用冠心病和脑卒中综合危险度评估波对张先生评估，评估结果为：张先生的缺血性心血管病的患病风险是7.6，比一般人群高2.8倍，应建议他尽快控制健康危险因素，降低发病的风险，请根据张先生情况回答一下问题(本题总分20分) 1、健康风险识别一般包括哪两种方法...
【简答题】The novelist Henry James had a brother who was famous for his study in psychology. The brother’s name is _______.
【单选题】Henry James was regarded as one of the pioneers of ______, and had great influence on the age that followed.
A.
black humour
B.
existential novel
C.
psychoanalytical novel
D.
psychological novel
【单选题】以下程序执行后输出结果是 ( ) 。 main() { int p[7]={11,13,14,15,16,17,18},i=0,k=0; while(i<7&&p[i]%2){k=k+p[i];i++;} printf("%d\n",k); }
A.
58
B.
56
C.
45
D.
24
【单选题】While staying in the village, James unselfishly shared whatever he had with the villagers without asking for anything ______ .
A.
in return
B.
in common
C.
in turn
D.
in place
【单选题】James Watt ______ the steam engine in 1796.
A.
discovered
B.
had discovered
C.
invented
D.
had invented
【简答题】在 网络计划中, 的工作称为关键工作。
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