A．They drank from public water fountains.B．They passed around a cup of water.C．They dr
A. They drank from public water fountains.
B. They passed around a cup of water.
C. They drank from personal tin cups that they carried with them.
D. They bought a paper cup of water.
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A．She doesn't think that she looks like the student.B．Many of her students look alike.
A. She doesn't think that she looks like the student.
B. Many of her students look alike.
C. She isn't related to the student.
D. Her daughter isn't in her class.
A．He used to have problems doing the assignments.B．The woman should become a tutor.C．Th
A. He used to have problems doing the assignments.
B. The woman should become a tutor.
C. The woman won't have difficulty in her next class.
D. The woman needs help with her assignments.
A．To occupy their free time.B．To bring good luck.C．To earn extra money.D．To take part
A. To occupy their free time.
B. To bring good luck.
C. To earn extra money.
D. To take part in art competitions.
A．The number of impulses transmitted to the grasshopper's legs.B．The age of the grassh
A. The number of impulses transmitted to the grasshopper's legs.
B. The age of the grasshopper.
C. The number of sensory organs the grasshopper has.
D. The size of the nerves that control walking.
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