汽轮机组的各联锁信号动作，是通过电磁阀将（）泄压，使汽轮机停止运转。
A.速关油
B.机械油
C.润滑油
D.液压油
参考答案：A
——Your neighbors may __________you with playing your radio too loudly at night.
——I know. They never say anything that ___________ me especially.
A．accuse, appeals to
B． charge, appeal to
C．charge, appeals to
D．blame, appeals to
为保证胎儿生长的需要和维持良好的营养状况，在孕妇营养不足的情况下，应适当补充的不包括
A．铁 B．泛酸 C．叶酸D．维生素B1 E．维生素B6
