【单选题】Which group of people are not mentioned about falling suicide rates?
A.
middle-aged men in the US
C.
old people in the world
【单选题】What's the main sentence? Life without an externally supported daily plan can lead to higher rates of drug abuse, crime, suicide.
A.
A daily plan can lead to higher rates.
B.
Life can lead to higher rates.
C.
Life supported a daily plan.
D.
A daily plan can lead to drug abuse, crime, suicide.
【单选题】肝 肝脏主要是用来帮助( )消化与吸收。 脏 肝脏主要是用来帮助( )消化与吸收。 主要是用来帮助( )消化与吸收。
【单选题】In developing countries, exchange rates tend to be
A.
floating with some government intervention.
C.
hard to tell from the data.
D.
run by currency boards.