2491. If an obscure abbreviation must be used because of space limitations, it shall be asterisked and spelled out in an unused portion of the image area ( )

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1760. Put a transparent sheet of plastic on the surface( )

A、　在表面盖上一层塑料传输板。

B、　在表面放置塑料材料板。

C、　在表面覆盖一层透明的塑料膜。

答案：C

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442.用于将燃油-空气混合物转化产生为动力 ( )

A. 　Used to induce and convert fuel into power

B. 　Used to induce and convert fuel-air mixture into power

C. 　Used to make fuel-air mixture into power

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446.螺栓头顶部一定不要超过钢板上方 5 毫米( )

A. 　The tops of the bolt heads must not be more than 5 MM above the plate

B. 　The bottoms of the bolt heads can be more than 5 MM above the plate

C. 　5 MM is permitted for the tops of the bolt heads below the plate.

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3232. During the soldering procedure, use a protective shield ( )

A. 　在焊接过程中,使用保护罩。

B. 　在软焊程序过程中,使用防护罩。

C. 　在焊接过程中,穿戴防护服。

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463.如果你发现断了的电线,就把它们修好。( )

A. 　If you find damaged lines, restore them.

B. 　If you find loosen cables, fix them.

C. 　If you find broken wires, repair them.

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1049. Weigh the two parts of the compound( )

A. 　给化合物的两部分称重。

B. 　提取出复合物的两部分。

C. 　分离出混合物的两部分。

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33.This specification will meet the applicable government regulatory requirements ( )

A. 　本规范将满足适用的政府监管要求

B. 　此指令符合适航官方要求

C. 　此规范适用于相关政府部门的要求

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2769. Groups of words that are not usually adjectives but function together as an adjective before a noun are hyphenated ( )

A. 　Groups of words are hyphenated if they are not usually adjectives but serve as an adjective together before a noun.

B. 　Groups of words are not usually adjectives. But these groups of words function together as a noun before an adjective are hyphenated.

C. 　Groups of words are not usually adjectives but function together as an adjective before a noun. These groups of words are hyphenated.

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700.如果不进行此修改,则这个部件的使用寿命可能会比平时短。 ( )

A. 　Without this modification, the service life of the unit can be uncertain.

B. 　Without this modification, it is possible that the service life of this unit will be shorter than ever

C. 　Without this modification, it is possible that the service life of this unit will be shorter than usual

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144.许多读者的英语知识有限,复杂的句子结构和许多英语单词所具有的大量的意义和同义词会引起混淆。( )

A. 　Many readers have little knowledge of English. Complex sentence structure and the large number of meanings and antonyms that many English words have can cause misconception.

B. 　Many readers have a limited knowledge of English. Complex sentence structure and the large number of meanings and synonyms that many English words have can cause confusion.

C. 　Many readers have a little knowledge of English. Complex sentence structure and the large number of meanings and homonyms that many English words have can cause frustration.

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2491. If an obscure abbreviation must be used because of space limitations, it shall be asterisked and spelled out in an unused portion of the image area ( )

A. 　如果由于空间限制必须使用晦涩的缩写,则应在图像区域的未使用部分中用星号标出并拼写清楚。

B. 　如果由于空间限制必须使用难以理解的小写,则应在图像区域的未使用部分中用下划线标出并拼写清楚。

C. 　如果由于空间限制必须使用难以理解的大写,则应在图像区域的未使用部分中用括号标出并拼写清楚。

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