23.【单选题】对民族与国家来说，最持久、最深层的力量是全社会共同认可的（），因为它承载着一个民族、一个国家的精神追求，体现着一个社会评判是非曲直的价值标准。

There are verious ____ of movies on the plane.

Can you tell the ____ between the boarding pass and the ticket?

Which one should be taken out of packed baggage to scan at the security check point?

Why is it advised to take excess clothes off when waiting for security check?

Which is the item that won＇t set off metal detectors?

What do you need to remove at the security check point according to the text?

Which one is NOT the way to find your airline according to the text?

Please go to the ____ level and find the check-in counter.

You need to ____ a hotel room before you travel.

I would ____ it if you paid in cash.