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【单选题】
ZX21 型电阻箱的准确度等级为 х1000 档, 0.1% ; х100 档, 0.5% ; х10 档, 1% ; х1 档, 2% ; х0.1 档, 5% ,当电阻箱取值 1895.8 时,则其误差为( ) ΩA.
4
B.
6
C.
5
D.
7
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举一反三
【单选题】What makes the difference in making the brighter musical tone?
A.
The density of the wood of which the guitar is made.
B.
The weight of the wood which the guitar is made.
C.
The shape in which the guitar is made.
D.
The way the guitar is played.
【单选题】What is important for reaching daily musical goals?
A.
Tell the children to practice 12 minutes.
B.
Tell the children to practice 40 minutes.
C.
The children know the musical goal of each daily practice time.
【单选题】What is important for reaching daily musical goals?
A.
Tell the children to practice 12 munutes.
B.
Tell the children to practice 40 munutes.
C.
The children know the musical goal of each daily practice time.
【单选题】经营者采用网络方式销售商品的，消费者在收到商品之日起七日内无理由退货且经营者和消费者无约定的，退回商品的运费由( )。
A.
经营者承担
B.
消费者和经营者共同承担
C.
网络交易平台承担
D.
消费者承担
【单选题】According to the speaker, what is NOT a feature at this place?
A.
A flower clock.
B.
A musical fountain.
C.
A live band.
D.
A boat ride.
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