A.Follow teachers.B.Freshment of a university.C.Second-year students.D.Either seniors
A.Follow teachers.
B.Freshment of a university.
C.Second-year students.
D.Either seniors or juniors.
A.Follow teachers.
B.Freshment of a university.
C.Second-year students.
D.Either seniors or juniors.
A、Sports
B、Dances
C、Mathematics club
D、National competitions
A、db.test.find({},{"fruits":{$slice:[3,1]}})
B、db.test.find({},{"fruits":{$slice:3}})
C、db.test.find({},{"fruits":{$slice:[2,1]}})
D、db.test.find({},{"fruits":{$slice:2}})
B.He's been there once.
C.He wants to be away from the hustle and bustle.
D.He heard it would be fun to be there.
B.Because the music selection was not very popular.
C.Because few ships came into New York harbor.
D.Because fhe radio Signal was too weak to reach the mass audience.
A.He was optimistic about the future.
B.He was very excited about the prospect.
C.He didnt know whether it would be feasible or not.
D.He was only worried that the technology was not economical yet.
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