题目内容

As a pianist, he can hardly stand hearing a piano ___________so badly.

A. playing
B. being played
C. to play
D. having played

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Geophysicists have collaborated with archaeologists and anthropologists to study the magnetic properties of pottery and fireplaces at sites ___________ by early humans.

A. occupied
B. occupying
C. which occupy
D. were occupied

During the course of its growth, a frog undergoes a true metamorphosis___________ with a fishlike larval stage.

A. begin
B. began
C. beginning
D. is begun

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A. 认识、情感和意念过程
B. 感知、记忆、思维、想象
C. 能力、气质和性格
D. 个性倾向性、个性心理特征

在对学前儿童心理进行研究中,通过控制和改变儿童的活动条件,以发现由此引起心理现象的规律性变化,从而揭示特定条件与心理现象之间的联系。这种方法称为()

A. 观察法
B. 实验法
C. 测验法
D. 问卷法