A、 You can use all standard English parentheses except the colon.
B、 You can use all standard English contraction marks except the hyphen.
C、 You can use all standard English punctuation marks except the semicolon.
答案：C
A、 You can use all standard English parentheses except the colon.
B、 You can use all standard English contraction marks except the hyphen.
C、 You can use all standard English punctuation marks except the semicolon.
答案：C
A. The values must be less than the approved differences.
B. The values must not exceed the allowable differences.
C. The values must be less than the allowable differences.
A. Release the hydraulic pressure in the accumulator.
B. Release the power pressure in the accumulator.
C. Release the hydraulic pressure in the actuator.
A. The word given in the approved examples is not controlled
B. The word given in the approved examples is not mandatory
C. The word given in the approved examples is not a must
A. Let the substance become hard.
B. Let the adhesive become hard.
C. Let the admixture become hard.
A. This step is applied to primer layer only.
B. This step can be only applied when the top is painted.
C. This step is applicable only when you apply the top layer of paint.
A. The wording given in the approved example is of a suggested nature. It only represents approved words for writing the same information. You can express the same thing with different constructions and other approved words.
B. It is necessary to use these terms in the approved example sentences to write standard information. You can choose what to express and how to express it from the approved structure
C. The wording must be approved to indicate that the information should be written to the same standard and you can often use similar structures and words to describe the same thing.
A. 当顶升飞机或放下飞机时，始终保持水平高度。
B. 当升降飞机时，始终保持水平姿态。
C. 升降飞机时使飞机处在平衡状态。
A. Energy is never created or lost, it＇s a physics law that it just changes from one kind of energy to another and in our case, motion energy turns into heat energy when we brake
B. It is a law of physics that energy is never produced or destroyed. It just changes from one type of energy into another type. In our example the kinetic energy changes into heat energy during braking.
C. Energy is never produced or lost, it＇s a physical law that it just transfers from one kind of energy to another and in our case, moving energy turns into heat energy when braking.
A. Fill the outer tank before you fill the inner tank.
B. Fill the inner tank before you fill the outer tank.
C. Fill the inboard tank before you drain the overboard tank.
A. The shock absorber is a telescopic oleo-pneumatic unit.
B. The shock absorber is a flexible hydraulic-pneumatic unit.
C. The shock strut is an elastic oil-air unit.
