A、 Steel is light and strong, so that it is widely used in aircraft manufacturing industry.
B、 Aluminum alloy is light and strong, therefore it is widely used in aircraft manufacturing industry.
C、 Aluminum alloy is light and strong, so that it is seldom used in aircraft manufacturing industry.
答案：B
A、 Steel is light and strong, so that it is widely used in aircraft manufacturing industry.
B、 Aluminum alloy is light and strong, therefore it is widely used in aircraft manufacturing industry.
C、 Aluminum alloy is light and strong, so that it is seldom used in aircraft manufacturing industry.
答案：B
A. FULFILED
B. FINISHED
C. COMPLETED
A. You can use electric motors to drive fuel and hydraulic pumps or to drive a valve to the commanded position in the fuel. hydraulic or air conditioning system or to move doors and cargo containers
B. Electric motor can drive fuel and hydraulic pumps or drive a valve to the commanded position in the fuel. hydraulic or air conditioning system or move mechanical parts like doors and cargo containers to produce mechanical power
C. Electric motor produce mechanical power and their main functions are to drive fuel and hydraulic pumps, to drive a valve to the commanded position and to move mechanical parts like doors and cargo containers
A. FEEL
B. TREAT
C. TOUCH
A. It is possible to use the same page to include the examples, associated conditions and technique. Should there be no necessary information included, refer to the page facing the chart.
B. If the same page contains examples, associated conditions and techniques, you need to include all the necessary information, it is forbidden to use the page that the figure faces.
C. Where possible, examples, associated conditions and technique should be presented on the same page as the chart. If space is not enough to include the necessary information, then the page facing the chart should be used.
A. 批准的形容词以其基本形式给出,在实际应用的过程中,在括号标注内其最高级和比较级形式。
B. 批准的形容词以其基本形式给出,在适用的情况下,其比较级和最高级形式要标注在括号内。
C. 形容词会以其批准的基本形式给出,在适当的时候,也可给出其比较级和最高级形式。
A. Put on goggles to prevent injury to your eyes.
B. Put on glasses to prevent injury to your eyes.
C. Put on glasses to make sure not injury to your eyes.
A. Replace the unit at the next check.
B. Repeat the unit at the next check.
C. Perform the unit at the next check.
A. FOLLOWS
B. FOLLOWING
C. FOLLOWED
A. 如果探头互相碰触,它们就会失去磁性
B. 如果两个探头互相接触,它们就会失效
C. 如果探针互相撞击,它们就会被磁化
A. Do not open the entry door if the wind speed is dangerously high
B. Do not open the cargo door unless there is dangerous wind
C. Do not open the cargo door if the wind speed is dangerously high
