对皮肤接触氨中毒者，应立即脱去污染的衣着，用（）硼酸液或大量清水彻底冲洗。重症者就近送往医院治疗。
A.1%
B.2%
C.3%
D.5%
参考答案：B
The local police were______ by their authorities to _____ the situation as soon as possible. [ ]
A. said to; control
B. ordered; manage
C. instructed; handle
D. told; hold
随着发动机排气提前角的增大，会使（）
A.泵气损失增加
B.热效率增加
C.推出损失增加
D.膨胀损失增加
