高中生形式逻辑思维的发展主要表现在其()的运用能力等方面。
A. 运算
B. 概念
C. 推理
D. 逻辑法则
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When he was a young boy, a serious disease deprived him of the()of hearing.
A. organ
B. possession
C. conduct
D. faculty
在小学阶段,儿童情感的基本特点有()。
A. 情感的动力特征明显
B. 情绪相对稳定
C. 友谊感逐渐发展
D. 情绪多变而不稳定
If you()bright sunlight()dry wood with a glass, it will start burning.
A. expose;to
B. concentrate;on
C. aim;at
D. focus;on
The noise was so faint that you had to()your ears to hear it.
A. stir
B. strengthen
C. strain
D. stride