稳定性好的飞机,操纵性要差一些;反过来操纵性好的飞机要丧失一些稳定性。
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The professor delivered a very interesting lecture about theof ancient Chinese philosophy at the seminar.
A. border
B. essence
C. host
D. routine
The cnficing sides took the steptoward negotiation.
A. creative
B. obvious
C. initial
D. resourceful
It is important for people to continuallytheir confidence.
A. acquire
B. suspend
C. recall
D. boost
For the first time, every employee of our companyhave a 15-day paid holiday a year.
A. is entitled to
B. is characteristic of
C. attend to
D. is open to