A、 This material releases dangerous fumes when it touches hot surfaces.
B、 On contact with hot surfaces, this material produces dangerous fumes.
C、 This material happens dangerous gases when it comes into contact with
hot surfaces.
答案：A
A、 This material releases dangerous fumes when it touches hot surfaces.
B、 On contact with hot surfaces, this material produces dangerous fumes.
C、 This material happens dangerous gases when it comes into contact with
hot surfaces.
答案：A
A. Calibrate the hygrometer to the celsius scale.
B. Calibrate the thermometer to the celsius scale.
C. Calibrate the clinometer to the celsius scale.
A. 将发动机油门杆前推至 60%RPM。
B. 将发动机油门杆稳定在 60%RPM。
C. 将发动机油门杆收回至 60%RPM。
A. 确保箭头指向燃油流量流动的方向。
B. 确保标记指向燃油流量流动的方向。
C. 确保标记指向燃油流量相反的方向。
A. 能防止自由运动的活塞在套筒中有划痕。
B. 刻痕能阻止活塞在套筒中的自由运动。
C. 刻痕能防止自由运动的活塞在套筒中。
A. The order of topics in the Handbook is intended to increase in-flight
usefulness.
B. The sequence of topics in the Handbook is intended to increase in-flight
useless.
A. GET INTO
B. GO INTO
C. ENTER
A. SPILLS
B. SPILLAGE
C. OVERFLOWS
A. Put
B. Move
C. Set
A. 该控制组件安装在机身尾部
B. 该控制组件安装在驾驶舱后部
C. 该控制组件安装在驾驶舱底部
