About the description of the Denver Development Screen Test, which one is CORRECT（）
A. DDST used by general pediatricians
B. used in children from birth to 6 years of age
C. have four domains: personal-social, fine motor-adaptive, language and gross motor
D. All of the above
E. All of the above
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在SQL中，创建基本表用（）命令
A. Create schema
B. Create table
Create index
D. Create view
Prices of daily goods______through a computer can be lower than store prices（）
A. are bought
B. been bought
C. bought
D. buying
The principles for complementary feeding of the breastfed child, which one is CORRECT（）
A. introduce complementary foods at 6 months of age while continuing to breastfeed
B. continue frequent , on-demand breastfeeding until 2 years of age or beyond
C. gradually increase food consistency and variety as the infant grows older, adapting to the infant’s requirements and abilities
D. all above
E. all above
Most of the people______to the party were famous scientists（）
A. invited
B. to invite
C. being invited
D. inviting
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