背1遍就想上考场四级单词 Week 5 Day 4_176

affect
The only good news is that the oil lakes have not affected the underground water resources.
effect
Most obviously, there is the direct effect of education on the wages of female workers.
defect
If a woman becomes pregnant while taking the acne drug, her baby can suffer severe brain
and heart defects…
perfect
with a perfect “saddle curl, the Lay’s potato chip seems an unlikely weapon
for global domination.
infect
… antiretroviral can also brought down the rates of the direct infect
from the pregnant women to their own babies.
impact
Reducing the amount of sleep students get at night has a direct impact on their performance
at school during the day.
flow
Most travel from one developed nation to another,
but the flow from developing to developed countries is growing rapidly.