气门杆弯曲可用()方法校正。
A.冷压
B.热压
C.锤击
D.磨削
参考答案:A
Once upon a time we Chinese msde the tirst kite. People used kites to send _______to other
places,because they didn't have telephones, computers,or even radios. [ ]
A. languages
B. newspapers
C. measages
D. magasines
须办理检疫审批的货物必须从检疫许可证中列明的口岸入境。