One should take pride in his national culture.（)

A.x

B.the

C.one

D.a

How many tablets should one take before he goes to sleep？

A．one

B．two

C．one and half

D．three

A. act on

B. act

C. perform

D. work

How should we go through the security check？

A.you should wait one by one

B.show your certificate only

C.put your carry _on baggage on the belt ,which will take it to be sereen bay X-ray equipment

D.you should go through the gate and the staff may give you a personal search

A. Replace the motherboard.

B. Check all connections.

C. Replace the USB controller.

D. Check the PS/2 connector.

A.Management must be committed to a plan to sell the asset.

B.A buyer must have been located for the asset.

C.The asset must be marketed at a reasonable pric

D.The sale should be expected to take place within one year from the date of classification.

A.Ⅰonly

B.Ⅱonly

C.Both Ⅰand Ⅱ

D.Neither Ⅰ nor Ⅱ