【单选题】解释性研究的目标是()
B.
对社会现象的状况、过程和特征进行客观准确的描述
D.
获得对所研究问题及调查对象的初步印象和感性认识
【单选题】用部件鉴定法来求成新率,一般适用于( )的评估。
【单选题】What does Harry enjoy after work each day?
A.
He enjoys watching TV.
B.
He enjoys talking with his wife.
C.
He enjoys wasting his time.
D.
He enjoys doing anything.
【单选题】What docs Harry enjoy after work each day?
A.
He enjoys watching TV.
B.
He enjoys talking with his wife.
C.
He enjoys wasting his time.
D.
He enjoys doing anything.
【单选题】下列关于感染过程中病原体的致病作用,不正确的一项是( )
A.
病原体的致病能力一般包括侵袭力、毒力、数量、变异四个方面;
B.
侵袭力是指病原体侵入机体并在机体内生长、繁殖的能力;
E.
一般而言,在人工培养多次传代的环境下,可使病原体的致病力减弱;
【单选题】用部件鉴定法来求成新率,一般适用于( )的评估。
【单选题】解释性研究的目标是( )
A.
要获得对所研究问题及调查对象的初步印象和感性认识
B.
是对社会现象的状况、过程和特征进行客观准确的描述
C.
是解释社会现象的原因和说明社会现象之间的关系
【简答题】病毒的繁殖一般包括( )、( )、( )、( )和( )五个阶段