题目内容

How many countries are there on Earth? There are______.

A. 175
B. 159
C. 195
D. 95

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How many languages are there in the world? Over _____.

A. 7,000
B. 70,000
C. 700
D. 70

How many typical people are there on Earth?Over ________.

A. 90 billion
B. 9,00,000
C. 9 billion
D. 9,000,000

How many Chinese speakers are there on Earth?More than _________.

A. 900,000,000
B. 90,000,000
C. 9,000,000
D. 90,000

The typical person on Earth is male. He is years old and is centimeters (about 5 feet 8 inches) tall.

A. 48, 178
B. 38, 184
C. 28, 174
D. 26, 164