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: illion B: in billion C: in one billion D: per a 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:

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.

It is expected that the world's population will reach ______ by the end of the century. A) 2 billion people C) 80 percent of all people B) 4.4 billion people D) 6.4 billion people A: It is expected that the world's population will reach ______ by the end of the century. B: 2 billion people C: 4.4 billion people D: 80 percent of all people E: 6.4 billion people

According to the movie-clip, How many Muslims in the world today? A: Nearly a billion B: 1.5 billion C: 2 billion

What is the expected revenue for Huawei in 2020 A: 80 billion dollars B: 150 billion dollars C: 220 billion dollars

It is estimated that by 2050, there could be . A: more than 6 billion people B: no more than 6billion people C: up to 9 billion people D: over 9 billion people

The universe is estimated ___between 10 billion and 20 billion years old. A: being B: to be C: which is D: is.