A、 在某种情况下,戴护目镜
B、 在某种情况下,戴防护服
C、 在某种情况下,戴呼吸设备
答案：C
A、 在某种情况下,戴护目镜
B、 在某种情况下,戴防护服
C、 在某种情况下,戴呼吸设备
答案：C
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. 在两个点之间做标记
B. 在两条线的交点处钻孔
C. 检查交汇处的孔
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. 参照3到5步点火。
B. 忽略步骤3到5。
C. 对照步骤3到5.
A. 当发动机未安装时,拖飞机时必须平稳。
B. 当发动机未安装时,推飞机时必须缓慢。
C. 当发动机未安装时,顶升飞机时必须平缓。
A. When the indicator is visible, stop the pump.
B. When the indicator comes on stop the pump.
C. Stop the pump unless the indicator comes into view.
A. 包括玻璃纤维和丁酮的损伤限制
B. 包括玻璃和丁酮的损伤限制
C. 包括玻璃和丙烯酸的损伤限制
A. 从法兰盘上拆除铆钉;
B. 拆除法兰上的螺钉;
C. 拆卸法兰盘和铆钉;
A. While you do the valve test, ensure that there is no contamination.
B. While you do each step of the valve test, ensure that there is no blockage.
C. While you do each step of the valve test, make sure that there is no leakage.
A. The form of the cruise performance presentation is at the option of the airplane manufacturer but should not be independent of devices such as a power computer
B. The format of the cruise performance presentation is decided by the airplane manufacturer itself but should not depend on devices such as a power computer
C. The layout of the cruise performance presentation is at the discretion of the airplane manufacturer, however, devices such as a power computer should not be relied on
