题目内容

词汇与结构The pilots flew the aircraft for more than two hours in order to _____ fuel and lower the risk of fire upon landing.

A. dump
B. burn
C. save
D. transfer

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词汇与结构Pre-foaming might also reduce the _____of the aircraft's brakes, potentially causing it to slide off the runway.

A. effect
B. influence
C. efficiency
D. effectiveness

词汇与结构This also served to lighten the plane, reducing potential stress on the landing gear and dramatically _____landing speed as well.

A. increasing
B. lowing
C. lowering
D. adding

词汇与结构The pilots therefore used a much larger portion of the _____ runway than in a typical landing, stopping 1,000 feet / 305 m before the end of the runway.

A. available
B. useful
C. touchable
D. accessible

在交谈中说服是要有前提和原则的。生活中有这样的例子：妈妈对孩子说：“你不加衣服，冻死了没有人管。”孩子马上回嘴“冻死了不要你管。”妈妈一片好心，可得到的却是逆反的结果。你认为妈妈的话没有遵从说服的什么原则？

A. 了解对方，对症下药
B. 尊重对方，以情动人
C. 诚心诚意
D. 合理推理