甲与A房产公司签订一份商品房预售合同，约定违约金为房款总额的2%，计2万元。后因市场

I haven't seen Sara since she was a little girl, and she has changed beyond________.[ ]

A．hearing  

B．strength

C．recognition  

D．measure

《温热经纬》清暑益气汤的功用是（）

A.清暑益气，除湿健脾

B.祛暑解表，清热化湿

C.清暑益气，养阴生津

D.清暑益气，和胃止呕

E.清暑利湿，和胃止呕

Sally asked________________________.

A．how could she get to the zoo.

B．how she can get to the zoo.

C．how she could get to the zoo.

D．where was the zoo.

机房值班人员必须严格遵守防火、防盗制度，保证机房安全。