阅读下列短文，从每题所给的A、B、C和D四个选项中，选出最佳选项。
A wide range of local events are arranged to mark it. These events may take place on a Saturday close to May 4 to enable people to attend. On this day, state offices are closed. However, stores and business are open.
Confederate Memorial Day (CM Day)
It is a state holiday in Alabama, Florida, and Georgia on the fourth Monday in April. In Mississippi it is observed on the last Monday in April. In South Carolina and North Carolina it falls on May 10. It is known as Confederate Heroes’ Day in Texas, where it is held on January 19 each year. Only one day off is given to workers if it coincides with Martin Luther King Day.
Truman Day (T Day)
It is a state holiday in Missouri, the United States, on or around May 8 each year. It honors Harry S Truman, a United States president who was born in Missouri. It is a public holiday, and it is a day off for the general population, and schools and most businesses are closed.
National Missing Children’s Day (NMC Day)
It is an annual observation across America designed to draw attention to the problem of child abduction. It is not a public holiday and falls on May 25 — on that date in 1979, six-year-old New Yorker Ethan Patz disappeared on his way to school. It was first observed in 1983.
21．Why are the events for RII Day held on Saturday?
A．More people can join in them. B．RII Day is celebrated on Saturdays.
C．Officials can manage them better. D．Stores and business are open on the day.
22．What can we know about CM Day?
A．It falls on the same day in different states. B．It may be observed with another holiday.
C．It is the oldest of the four holidays. D．It is celebrated every other year.
23．Which is a state public holiday?
A．CM Day. B．RII Day. C．T Day. D．NMC Day.
21-23:ABC
A
Rhode Island Independence Day (RU Day)
It is a state holiday in Rhode Island on May 4 each year. If May 4 falls on a Saturday, it is observed on Friday, May 3. If May 4 falls on a Sunday，it is observed on Monday, May 5.Rhode Island Independence Day (RU Day)
A wide range of local events are arranged to mark it. These events may take place on a Saturday close to May 4 to enable people to attend. On this day, state offices are closed. However, stores and business are open.
Confederate Memorial Day (CM Day)
It is a state holiday in Alabama, Florida, and Georgia on the fourth Monday in April. In Mississippi it is observed on the last Monday in April. In South Carolina and North Carolina it falls on May 10. It is known as Confederate Heroes’ Day in Texas, where it is held on January 19 each year. Only one day off is given to workers if it coincides with Martin Luther King Day.
Truman Day (T Day)
It is a state holiday in Missouri, the United States, on or around May 8 each year. It honors Harry S Truman, a United States president who was born in Missouri. It is a public holiday, and it is a day off for the general population, and schools and most businesses are closed.
National Missing Children’s Day (NMC Day)
It is an annual observation across America designed to draw attention to the problem of child abduction. It is not a public holiday and falls on May 25 — on that date in 1979, six-year-old New Yorker Ethan Patz disappeared on his way to school. It was first observed in 1983.
21．Why are the events for RII Day held on Saturday?
A．More people can join in them. B．RII Day is celebrated on Saturdays.
C．Officials can manage them better. D．Stores and business are open on the day.
22．What can we know about CM Day?
A．It falls on the same day in different states. B．It may be observed with another holiday.
C．It is the oldest of the four holidays. D．It is celebrated every other year.
23．Which is a state public holiday?
A．CM Day. B．RII Day. C．T Day. D．NMC Day.
21-23:ABC
