单项选择题

According to this passage, Manhattan is ______.

A．the origin of much of the chaos of the Democratic Party
B．nothing but a mixture of languages, occupations, and income levels
C．short of affluent professionals
D．proud of the overwhelming skyscraper jungle around Wall Street

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热门试题

单项选择题

The third paragraph is mainly about ______.

A．the harmful effects of chlorofluorocarbons on the environment
B．the necessity to ensure the environmental compatibility of new chemical substances
C．the economic feasibility of new chemical substances
D．the objective assessment of the progress in Chemistry

单项选择题

The proper title for this passage should be ______.

A．The Positive Impact of Chemistry
B．The Harmful Effects of Chemicals
C．Progress in Chemistry
D．Chemistry and Society