The______of modern life in big cities is so quick that some old people feel it hard to keep up with it.

A．way

B．step

C．pace

D．routine

Modern man is careless when disposing （) his garbage.

Father of modern linguistics is Swiss F. de Saussure.（）

The computer caused a ________ in ways of modern life.

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Modern economics ________ the country‘s agricultural policies.A. undergoesB. understan
Modern economics ________ the country‘s agricultural policies.
A. undergoes
B. understands
C. underlies
D. undertakes

BeingaperiodofthegreatfloweringofAmericanliterature,the___periodisalsocalled"theAmerican Renaissance".（)

With the fast development of modern technology, it is no longer that hard to （) with modern trends.
A.keep up
B. keep on
C. keep off
D. keep away

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The older generation tend to complain about the ______ modern life.

The party leader is an extreme left－winger, but his deputy is more（)in his views.

I think that young children often appreciate modern pictures （） than anyone else.They notice （）.