1968. The fan of turbo-fan engine is not as large as a propeller, so the increase of speeds along the blades is less

The fan of turbo-fan engine is similar to a propeller, so the increase of speeds along the blades is less.

The fan of turbo-fan engine is larger than a propeller, so the increase of speeds along the blades is less.

The fan of turbo-fan engine is smaller than a propeller, so the increase of speeds along the blades is less.

正确答案：C

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1395. They may be in loose-leaf form with a durable, multi-ring cover,permanently bound, Fiche": or another appropriate form"

1394. sterilize the goggles

1393. 请注意,飞机推出

1392. Adhere to the safety instructions

1391. Trichloroethylene is a health hazard

1390. 在上接近面板涂一层密封胶。

1389. 系统内的所有流量控制装置,如单向活门、燃油泵、储压器和继电器均应包括在内。

1388. Documents must be readily revisable

1387. 检查三证(适航证、国籍证、电台证)原件在位、完好、有效。

1386. 未经允许,请勿进入发动机测试区域。