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【单选题】
The boy was too busy ______ his father last term.A.
to hear from
B.
to write to
C.
hearing from
D.
write to
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反馈参考答案：
举一反三
【单选题】Blood enters the right atrium through the
A.
aorta
B.
pulmonary vein
C.
vanae cavae
D.
carotid artery
【单选题】2) Type 1 diabetes happens when _______ . A) the pancreas doesn’t function well B) a person eats too much sugar C) sugar isn’t released into the blood D) too much sugar enters the cells
A.
the pancreas doesn’t function well
B.
a person eats too much sugar
C.
sugar isn’t released into the blood
D.
too much sugar enters the cells
【单选题】Which of the following conditions matches this description - The heart is unable to pump its required amount of blood ( more blood enters the heart from the veins than leaves through the arteries)?
A.
Heart attack
B.
Acute myocardial infraction
C.
Congestive heart failure
D.
Hypertension
E.
Coronary artery disease
【简答题】广义的服务态度包括服务人员的服务表情、__________、___________三个方面
【单选题】_______ are any of the small air spaces in the lungs where carbon dioxide leaves the blood and oxygen enters it.
A.
Bronchioles
B.
Tracheae
C.
Cilia
D.
Pulmonary alveoli
【单选题】When does education begin?（ ）
A.
Before one enters school.
B.
After one enters school
C.
After one graduates from college.
D.
After one retires from work.
【判断题】Blood enters the heart’s right ventricle. It travels to the right atrium.
A.
正确
B.
错误
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