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【多选题】

What are some of the unique challenges presented by consumers in relation to the sustainability of the global food system?(Please select two answers)

A.
consumers are disconnected from where their food is produced
B.
consumers eat less fruit and vegetables than in the past
C.
People in areas are more influenced by Western food culture e.g. they often eat more meat.
D.
consumers often spend so much time on social media that they forget to eat so they actually consume less than other types of consumers.
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【单选题】Time of routine pre-pregnancy care()

A.
1 month before pregnancy
B.
6 months before pregnancy
C.
3 months before pregnancy
D.
1 year before pregnancy

【单选题】用平裁方法绘制原型袖子时,袖山曲线长度与袖笼曲线长度的关系是什么?()

A.
两者长度相等
B.
袖笼曲线长度大于袖山曲线
C.
袖山曲线长度大于袖笼曲线
D.
无法确定

【单选题】In what ways is the global food system connected to the planetary boundaries framework?(Please select one answer)

A.
Food is only connected through land-use change
B.
Food is connected through land use change and stratospheric ozone depletion
C.
Food is connected to all nine planetary boundaries
D.
Food is connected via novel entities, land use change, freshwater use and biosphere integrity

【单选题】The purpose of women's folic acid supplementation before pregnancy and in early stage of pregnancy is()

A.
to reduce the incidence of neural tube defects of fetus
B.
to prevent iron deficiency anemia in mothers and fetuses
C.
to improve the intelligence of the fetus
D.
to prevent polyhydramnios or oligohydramnios