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【判断题】
一般通过愈伤组织诱导不定芽的方式获得的再生苗变异率较低。A.
正确
B.
错误
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举一反三
【单选题】_______ is a macroscopic science that studies the interrelationship between the various equilibrium properties of a system.
A.
Kinetics
B.
Thermodynamics
C.
Statistical mechanics
D.
Quantum chemistry
【单选题】Which of the following is the finding about Chinese mothers in various studies?
A.
Underlining academic success is good for children and parents should foster the idea that learning is fun.
B.
Academic achievement reflects successful parenting and if child ren don’t do well at school, then parents are to blame for it.
C.
Parents spend more time every day in staying with their children.
D.
Parents encourage their children to participate in sports teams.
【单选题】教师在教育教学中确定目标，建立班集体，制定和贯彻规章制度，维持班级纪律，组织班级活动，协调人际关系等。这些活动中，教师扮演着( )。
A.
传道者角色
B.
授业解惑者角色
C.
管理者角色
D.
示范者角色
【单选题】教师在教育教学活动中确定目标、建立班集体、制定和贯彻规章制度、维持班级纪律、组织班级活动、协调人际关系等，这是教师在履行（ ）的角色。
A.
课程开发者
B.
心理医生
C.
管理者
D.
传道者
【简答题】Various studies have shown that the mountain village has a very ______________ population.
【单选题】Various studies have shown that the mountain village has a very _____________population.
A.
lipstick
B.
gorgeous
C.
conformity
D.
homogeneous
【单选题】Based on recent studies made by various scholars， which of the following factors plays a fundamental role in man‘s longevity? 查看材料
A.
Genes.
B.
Eating habits.
C.
Environment.
D.
Medical condition.
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