65、下列关于识别X射线机图像的方法说法正确的是( )。

　整体判读法主要是观察箱包内是否有无电源、导线等物品

　观察箱包时只要注意箱包的外观即可

　整体判读法即由中间到四周整幅图像进行识别

　上述方法全部错误

正确答案：AC

15、A: Where’s your destination? B:( ).

68、X射线机材料分辨力用英文表示为( )。

32、X射线机穿透力用英文表示为( )。

17、Your baggage is 10 kilos( ), I’m afraid you have to pay for excess baggage.

16、Passengers to San Francisco by Flight CA 783, please go through( ).

15、——What will happen to me if I refuse the security check?
——( ).

14、Sorry sir,you have to( ) this baggage,for it is too large and will cause you a lot of inconvenience.

13、Passengers,if you haven’t got a boarding card and a baggage check,please go to the( ) to go through the check-in procedures first.

12、A: Are you going to take a domestic or an international flight?

68、A: What’s the( ) of the delay?