Some researchers admit that the first female secretary of state, the first female lead anchor of a nightly newscast, the first female president of Princeton, and, next month, the first female speaker of the House are some achievements representing the improved status of the women.
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A.He doesn't have enough money to buy a car.B.He really doesn't want to buy a car.C.he
A. He doesn't have enough money to buy a car.
B. He really doesn't want to buy a car.
C. he plans to buy a car in a little while.
D. He will have enough money for a car soon.
A.They circle helplessly.B.They fly by radar.C.They use landmarks.D.They use the moon.
A. They circle helplessly.
B. They fly by radar.
C. They use landmarks.
D. They use the moon.
当一个竖向单位力在三跨连续梁上移动时,其中间支点b左侧的剪力影响线,应为下列何图所示?
A.They find their way by mountain ranges.B.They find their way by coastlines.C.They fi
A. They find their way by mountain ranges.
B. They find their way by coastlines.
C. They find their way by river courses.
D. They find their way by the three landmarks mentioned above.