(A) heat exchanger is a device (in) which (heat taken) from a hot liquid or gas in order to warm a (cold place).（）

单项选择题(To many early Americans), chicken on the table represented fancy (civilized) food and suggested (that) a farmer and his wife (has found) prosperity.（）

A.To many early Americans
B.civilized
C.that
D.has found

单项选择题Anyone who doubts that global financial markets control national economies need only look at the crisis facing the tigers of the Far East.（）

A．local
B．universal
C．European
D．Asian