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【单选题】
Foreign objects falling through the air tube into the ______ main bronchus.
A.
right
B.
left
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参考答案：
参考解析：
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【单选题】Which is the forerunner of the Harbin Ice Festival?( )
A.
National Ski Festival
B.
Ice Art Festival
C.
Ice Lantern Festival
D.
Harbin Snow Festival
【判断题】Pulmonary alveoli are the main part of lung gas exchange and the functional unit of lung.
A.
正确
B.
错误
【单选题】How many stages of China Railway History can be divided into?( )
A.
One
B.
Two
C.
Three
D.
Four
【单选题】COMPREHENSION QUESTION 1.3.2What does serve and return mean?
A.
A child learns give and take
B.
The back and forth mutual interaction between children and adults
C.
A child’s learning how to speak
D.
The gross motor skills that lead up to becoming able walk and run
【单选题】COMPREHENSION QUESTION 1.3.3What does the biology of the brain tell us?
A.
Different parts of the brain area are highly interrelated and connected
B.
The brain is composed of separate centers of activity
C.
Language and memory are connected
D.
Strong social development promotes language development but not vice versa
【单选题】Is the following statement true or false? “North China is located in the mid-latitude warm temperate zone with semi-humid and humid climate.”( )
A.
True
B.
False
C.
Not Given
【单选题】COMPREHENSION QUESTION 1.3.4What does plasticity refer to about the brain?
A.
The ability to retain an increased amount of information in the adult brain
B.
The ability to recover from physical injury
C.
The strength and durability of the brain circuitry
D.
The adaptability and flexibility of the circuitry of the brain as it develops