The passage suggests that ______.
A. the previous economic models are still applicable
B. an extremely low jobless rate will lead to inflation
C. a high unemployment rate will result from inflation
D. interest rates have an immediate effect on the economy
From the passage we learn that ______.
A. there is a clear relationship between inflation and interest rates
B. the economy always follows particular trends
C. the current economic problems are entirely predictable
D. the present economic situation is better than expected
在下列债券中,违约风险最高的是()。
A. 国债
B. 金融债券
C. 公司债券
D. 中央银行票据
In Weldon Spring, people found ______.
A. chemicals in well Water
B. many sources of surface water
C. more aquifers than other places
D. chemicals in the bomb factory