Giussani wants to find out if such babies have a higher risk of disease in later life.People born in La Paz might be prone to heart trouble in adulthood,for example.Low birthweight is a risk factor for coronary(冠状的) heart disease.And newborns with a high ratio of head size to body weight are often predisposed to high blood pressure and strokes in later life.
41.What does the new study discover?
A.Babies born to wealthy families are heaver.
B.Women living at high altitude tend to give birth to underweight babies.
C.Newborns in cities are lighter than average.
D.Low-altitude babies have a high risk of heart disease in later life.
42.Giussani and his team are sure that _____.
A.babies born in Lance Paz are on average lighter than in Santa Cruz.
B.people living at high altitudes tend to give birth to underweight babies.
C.the birthweight of babies born to wealthy families is Santa Cruz.
D.mothers in La Paz are commonly under-nourished.
43.It can be inferred from what Giussani says in Paragraph 4 that_____.
A.the finding was unexpected
B.he was very tired.
C.the study took longer than expected.
D.he was surprised to find low-income families in La Paz.
44.The results of the study indicate the reason for the underweight babies is _____.
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