Lying under the skull, the human brain contains an average of () nerve cells called neurons. A: 100 million B: 10 billion C: 100 billion D: 10 million
Lying under the skull, the human brain contains an average of () nerve cells called neurons. A: 100 million B: 10 billion C: 100 billion D: 10 million
The standard meter is accurate to about two parts ____________. A: billion B: in billion C: per a billion D: in one billion
The standard meter is accurate to about two parts ____________. A: billion B: in billion C: per a billion D: in one billion
现阶段移动互联网用户达到约多少billion？（） A: 1 B: 5 C: 10 D: 100
现阶段移动互联网用户达到约多少billion？（） A: 1 B: 5 C: 10 D: 100
The standard meter is accurate to about two parts ____________. A: illion B: in billion C: in one billion D: per a billion
The standard meter is accurate to about two parts ____________. A: illion B: in billion C: in one billion D: per a billion
According to the movie-clip, How many Muslims in the world today? A: Nearly a billion B: 1.5 billion C: 2 billion
According to the movie-clip, How many Muslims in the world today? A: Nearly a billion B: 1.5 billion C: 2 billion
It took（）years for world population to grow from 1 billion to 3 billion. A: 100 B: 115 C: 130 D: 145
It took（）years for world population to grow from 1 billion to 3 billion. A: 100 B: 115 C: 130 D: 145
What is the expected revenue for Huawei in 2020 A: 80 billion dollars B: 150 billion dollars C: 220 billion dollars
What is the expected revenue for Huawei in 2020 A: 80 billion dollars B: 150 billion dollars C: 220 billion dollars
UNESCO estimates that providing just one year of preprimary education for all children in low and middle income countries will cost an additional ___ per year? A: $5.2 billion B: $10.2 billion C: $15.2 billion D: $20.2 billion E: $31.2 billion
UNESCO estimates that providing just one year of preprimary education for all children in low and middle income countries will cost an additional ___ per year? A: $5.2 billion B: $10.2 billion C: $15.2 billion D: $20.2 billion E: $31.2 billion
37. When Jack Welch took charge of the company, it had a market Value of about _______. A. $12 billion B. $20 billion C. $500 billion D. $2000 billion A: B: C: D:
37. When Jack Welch took charge of the company, it had a market Value of about _______. A. $12 billion B. $20 billion C. $500 billion D. $2000 billion A: B: C: D:
When did life begin? A: 13.8 billion years ago. B: Between 13.8 and 10 billion years. C: Between 10 and 4.5 billion years. D: Between 4.5 and 3.5 billion years.
When did life begin? A: 13.8 billion years ago. B: Between 13.8 and 10 billion years. C: Between 10 and 4.5 billion years. D: Between 4.5 and 3.5 billion years.