（）儿童的思维开始从具体形象思维为主过渡到抽象逻辑思维为主，但其抽象逻辑思维仍需以具体形象为支柱。
A. 二年级
B. 三年级
C. 四年级
D. 五年级
主张“有教无类”，以“仁”为核心的最高道德标准的中国古代教育家是（）。
A. 孔子
B. 孟子
C. 苟子
D. 韩非子
教师对自己影响学生的学习活动和学习结果的能力的主观判断是（）
A. 教师期望效应
B. 教育机智
C. 教学效能感
D. 教学监控能力
In the ginseng trial the researchers tested the potency of ginseng__________
A. that led the researchers in Duke’S School of Nursing to study it
B. by giving different dose of the herb to patients with different cancers
C. whether the foods and supplements patients took every day were good or not
D. though both flaxseed and ginseng are all healthy alternative medicines
E. that either of them iS benefieial to cancer patients
F. because we still have to see if flaxseed can prevent prostate cancer
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