What is generally believed to account for children putting things in their ears or noses?
A. They tend to act out of impulse.
B. They want to attract attentions.
C. They are unaware of the potential risks.
D. They are curious about these body parts.
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What did Re-bicycle do to help Layla Rahimi?
A. It paid for her English lessons.
B. It gave her a used bicycle.
C. It delivered her daily necessities.
D. It provided her with physical therapy.
What is Re-bicycle doing to help those in need?
A. Expanding bike-riding lessons.
B. Asking local people for donations.
C. Providing free public transport.
D. Offering walking tours to visitors.
What do we learn from the passage about Re-bicycle?
A. It is a language school.
B. It is a charity organization.
C. It is a counseling center.
D. It is a sports club.
What do NASA scientists want to learn about?
A. How mice imitate human behavior in space.
B. How low gravity affects the human body.
C. How mice interact in a new environment.
D. How animals deal with lack of gravity.
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