【单选题】Across the OECD pupils in public schools score lower in science than students in private schools do. But this is not the case once you account for the economic and social background of pupils.
A.
Afro-Americans account for 12% of the US population.
B.
Recent pressure at work may account for his behavior.
C.
In 1965, for instance, Japan used approximately 13 million gallons of water to produce $q million of commercial output; by 1989 this had dropped to 3.5 million gallons (even accounting for inflation)
【单选题】⑵Which one is not the possible reason for the fact that more discipline issues such as violence and drugs in public schools than those in private schools?
A.
Public schools are required to take every student who lives in their district and not to remove any student from the school.
B.
Private schools tend to have more parental support.
C.
A private school can end their relationship with a student who continuously refuses to follow their expected policies and procedures.
D.
Public schools cannot punish the students who break the rules of the school.