超星 - Test for Lesson 4: Vocabulary and Structures - 查题吧

单选题

词汇与结构Mechanical and hydro-mechanical flight control systems both have limited ability to __________ changing aerodynamic conditions.

A. interact with
B. compensate for
C. deal with
D. bring up

单选题

词汇与结构By using electrical control circuits combined with computers, designers can save weight, improve reliability, and use the computers to _________ the undesirable characteristics.

A. reinforce
B. regulate
C. mitigate
D. aggravate

单选题

词汇与结构Fly-by-wire control systems are carefully developed and validated in order to produce _________ operational effect without comprising safety.

A. maximum
B. multiple
C. minimum
D. modulated

单选题

词汇与结构If the stability surfaces (including vertical and the horizontal stabilizers) can be reduced in size, airframe weight is ________.

A. increased
B. enhanced
C. fixed
D. reduced

单选题

词汇与结构The advantages of fly-by-wire controls were first __________ by the military and then in the commercial airline market.

A. modified
B. concluded
C. exposed
D. exploited

单选题

词汇与结构Electronic fly-by-wire systems can _________ flexibly to changing aerodynamic condition, by tailoring flight control surface movements so that aircraft response to control inputs is appropriate to flight conditions.

A. respond
B. reflect
C. reform
D. restrain

单选题

词汇与结构Electronic fly-by-wire systems can respond flexibly to changing aerodynamic condition, by tailoring flight control surface movements __________ aircraft response to control inputs is appropriate to flight conditions.

A. in that
B. for that
C. so that
D. like that

单选题

词汇与结构Electronic systems require less maintenance, __________ mechanical and hydraulic systems require lubrication, tension adjustments, leak checks, fluid changes, etc.

A. which
B. whereas
C. in which
D. when

单选题

词汇与结构Putting circuitry between pilot and aircraft can enhance safety; for example, the control system can try to _________ a stall, or it can stop the pilot from stressing the airframe.

A. uphold
B. minimize
C. prevent
D. recover

单选题

词汇与结构In a modern cockpit of a commercial aircraft, a fly-by-wire system actually _________ manual control of the aircraft with an electronic interface.

A. relates
B. replaces
C. reinforces
D. reforms

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