There ( ) more than 300 000 kinds of plants on the earth.A.isB.are existingC.existsD.

There ______ more than 200,000 overseas domestic servants working in Britain.A．is estimate

How many Chinese Americans are there in the U.S. today？A．Less than 500,000.B．More than 500

There （) more than 300,000 kinds of plants on the earth.A.isB.are existingC.existsD.

There are more complex sentences in English than in Chinese.（)

There will be more women scientists than men scie

Global warming is causing more than 300 000 deaths and about $125 billion in economic losses each ye