487、The difference between the two dimensions must not be more than 0.10mm. 两个尺寸的差值不得超过 0.10mm。

The difference between the two sizes must be 0.10mm or less.

The difference between ‘the two dimensions must exceed 0.10mm.

The error between the two sizes must be less than 0.10mm.

正确答案：A

1001、In a high concentration,this material is poisonous.

1000、The flight crew can use the flight director commands to control the attitude of the airplane.Be1%

999、Do test A as an, alternative to test B

998、Care must be taken not to damage the firewall cover.

997、The topic sentence is then first and most important sentence in a paragraph.

996、The laptop has three primary parts.

995、The writing rules cover aspects of grammar and style. The dictionary gives the general words that a writer can use.

994、This method is recommended as minimizing errors of distribution, and also informs owners of the availability of systemsand equipment.

993、此步骤仅适用于包括极少量铆钉的修理。

992、The table that follows shows the data.