题目内容

当电源电压一定时,只要改变两线圈的匝数比,就可得到不同的输出电压。

A. 对
B. 错

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6. But during the summer months, more and more Russians are returning to their own Black Sea cost lured by cheap fights and Russian-speaking service.

A. attracted
B. seduced
C. opposed
D. pushed up

7. Old Soviet-era sanatoriums and resorts around Sochi and Crimea in Ukraine are being refurbished, and new hotels Sochi's 2014 Winter Olympic bid.

A. rebuilt
B. refreshed
C. pulled down
D. redecorated

8. Russia can offer so many exotic treasures: hot springs in Kamchatka, sulfur springs in Caucasus, the beautiful Pacific beaches of the Far East, the mountains of the Ala.

A. tasty
B. unusual
C. hot
D. exciting

9. It boasts a Himalayan menu combining traditional Tibetan favorites with a fusion of flavors from India, Kashmir, Nepal and western China, a teahouse, a spa and retail space for the produce of the Shambhala Foundation's culturally sustainable micro-enterprises.

A. joining
B. change
C. blending
D. confusion

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