Choose the one inferred most logically based on the information provided.1. A student always sits in the back of the classroom.
A. The student dislikes the course.
B. The student is unprepared for class.
C. The student feels uncomfortable in the front of the room.
D. The student is farsighted.
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A pencil has teeth marks on it.
A. The person who used the pencil was nervous.
B. The pencil was chewed up by a toddler or pet.
C. Someone or something chewed the pencil.
D. The pencil belongs to someone who is trying to quit smoking.
People are crowding around the entrance to a toy store, which won’t open for another hour.
A. The store is the only toy store in the entire state.
B. There is always a crowd like this an hour before opining.
C. The store has paid a crowd to show up.
D. The store is having a well-publicized sale.
Inside a car with an out-of-state license are several maps, suitcases, and bags of snacks.
A. The driver of the car is on vacation.
B. The driver of the car is on a business trip.
C. The driver of the car has children.
D. The driver of the car is on a trip of some kind.
化学反应焓变的测定实验中为什么把0.200 mol·L－1 CuSO4溶液用移液管准确吸取，而锌粉用台秤称量？
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