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【判断题】
D值和Z值都是微生物的耐热性特征值,D值和Z值越大,则微生物的耐热性越差。()
A.
正确
B.
错误
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【判断题】利用变异指标比较两总体平均数的代表性时,标准差系数越小,说明平均数的代表性越大;标准差系数越小,则说明平均数的代表性越小。
A.
正确
B.
错误
【简答题】In despair at his failure, he ____ his own life.
【单选题】With all his money and friends _____, he was now in great despair (绝望). [     ]
A.
going
B.
gone
C.
be gone
D.
had gone
【单选题】分娩过程中主要的产力是
A.
子宫收缩力
B.
腹肌收缩力
C.
肛提肌收缩力
D.
腰肌收缩力
E.
臀肌收缩力
【判断题】利用变异指标比较两总体平均数的代表性时,标准差越小,说明平均数的代表性越大;标准差系数越小,则说明平均数的代表性越小。( )
A.
正确
B.
错误
【单选题】国内某家电企业,利用自己在商标、技术、市场、资金等方面的优势,通过兼并收购其它家电企业来壮大自己,该企业采用的一体化增长方式属于()
A.
水平一体化
B.
前向一体化
C.
后向一体化
D.
同心多元化
【判断题】利用变异指标比较两个总体平均数的代表性时,标准差越小,说明平均数的代表性越大。
A.
正确
B.
错误
【单选题】Why would the son always fall into despair when writing to his father?
A.
He was not quite sure about his father’s attitude toward him.
B.
He still remembered how he had run away from home.
C.
His exile experience left him feeling vey negative.
D.
He could well imagine how angry his father would be.
【单选题】What became of Temujin after his father's death?
A.
He was driven to despair.
B.
He was put in prison.
C.
He was reduced to begging for a living.
D.
He was forced to leave his own country.
【简答题】菌物典型的生活史包括( )和有性繁殖两大阶段。
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