A、 if you use folding page, the page number must be invisible when folding.
B、 The page number must be viewing if you fold the page.
C、 If folded pages are used, the page number must be visible when folded.
答案：C
A、 if you use folding page, the page number must be invisible when folding.
B、 The page number must be viewing if you fold the page.
C、 If folded pages are used, the page number must be visible when folded.
答案：C
A. 该系统必须启动以防止反推操作故障。
B. 必须对该系统进行排故以防止反推操作故障。
C. 该系统必须被限动,以防止反推意外工作。
A. Turn the drain valve counterclockwise to cause the fluid to stop flowing before the valve is pushed.
B. When you turn the drain valve counterclockwise, no fluid will flow until you push the valve in.
C. Make sure there is no fluid flowing after the valve is pushed, then turn the drain valve clockwise.
A. 为避免不必要的磨损,将表面涂漆。
B. 为避免不必要的颗粒,将表面清洁。
C. 为避免不必要的摩擦,将表面抛光。
A. lf you find damaged lines, restore them.
B. lf you find loosen cables, fix them.
C. lf you find broken wires, repair them.
A. When stop the engine, make sure that the engine decelerates to,500 RPM.
B. lf the engine decreases to 500 RPM, you must stop
C. When the engine RPM decreases 500, you’d better stop the engine.
A. 发动机提供三相电压,当发动机转子速度升高时,此电压的频率会增加:
A. For vocabulary, only main alternation are highlighted, minor alternations to many approved and not
approved examples are not highlighted.
B. For wordlist, only major changes are highlighted, minor changes to various approved and not approved
examples are not highlighted.
C. For vocabulary, only main alternation are prominent, minor alternations to many approved and not
approved examples are not prominent.
A. 要先安装螺钉(10),才能安装盖组件(9
B. 要拆下盖组件(9),首先要拆下这四个螺钉(10)
C. 要拆下螺母(9),首先要拆下这四个螺栓(10
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. 三台计算机收集数据,与系统参数起放在连接 到显示器组件的数据链路上
B. 三台计算机从系统中更正数据和参数,将它们放在连接到显示器组件的数据链路上
C. 三台计算机收集系统数据和参数,并通过数据链接将它们一起传送给显示组件
