“视觉悬崖”装置主要测查的是()。
A. 婴儿的深度知觉
B. 婴儿的大小知觉
C. 婴儿的形状知觉
D. 婴儿的方位知觉
幼儿思维的主要形式是()。
A. 直观行动思维
B. 具体形象思维
C. 形式运算思维
D. 抽象逻辑思维
His company promised to pay for his health ()in addition to other benefits.
A. examination
B. service
C. check
D. insurance
I expected a bigger payment, but I suppose you have to be()for small mercies.
A. pleasant
B. thanking
C. gratitude
D. thankful