相关题目
257.When you replace a word, always make sure that the alternative you select does not change the meaning of the sentence ( )
256.It is extremely important to observe the fuel safety precautions ( )
255.Examine the contents of the box for missing items( )
254.实施航线维修的维修机构其航站在非本国领土时,放行人员应依据航站所属国的航空法规进行资格审定。
253.If the meaning changes, use a different construction( )
252.An official organization that gives approval to something( )
251.LET THE DIAL BECOME STABLE BEFORE YOU( ) THE INDICATIONS ( )
250.GET [ ]TO THE ACCUMULATOR FOR THE No 1 HYDRAULIC SYSTEM( )
249.Do not stretch the seal more than necessary when installing it( )
248.Ream the hole until it has a diameter of 800 ±0003 mm ( )
