A、
Monitor students' sleep patterns.
B、
Help students concentrate in class.
C、
Record students' weekly performance.
D、
Ask students to complete a sleep report.
【正确答案】
C
【答案解析】
A、
Declining health.
B、
Lack of attention.
C、
Loss of motivation.
D、
Improper behavior.
【正确答案】
B
【答案解析】
A、
They should make sure their children are always punctual for school.
B、
They should ensure their children grow up in a healthy environment.
C、
They should help their children accomplish high-quality work.
D、
They should see to it that their children have adequate sleep.
【正确答案】
D
【答案解析】
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