It is estimated _____ a direct flight from Beijing to San Francisco would take more than10 hours. A: when B: that C: before D: which

They have produced ______. A: 10 more pianos this month than last month B: 10 pianos more this month than last month C: 10 pianos this month as many as last month D: 10 as many pianos this month as last month

The small company developed into an international _________ in less than 10 years.

Male's brain is 10% larger than the brain of female。（ ）

Which is suitable for vacuum aspiration？ A: pregnancy of less than 10 weeks B: pregnancy of less than 12 weeks C: pregnancy of less than 14 weeks D: pregnancy of less than 16 weeks E: pregnancy of less than 18 weeks

In the next 10 years, healthcare career will be (promising)__________ than ever before.

What do we learn about the number of international students in China in 2017? A: It has increased a little than 10 years ago. B: It is as three times as 10 years ago. C: It is the same as 10 years ago . D: It has more than doubled during the past 10 years.

翻译：我们学英语已经10多年了。（more than）

Food prices increased ________ 10% in less than a year. A: for B: to C: by D: at

Questions 7 to 10 are based on the following conversation. How long has it been since the man played basketball A: Less than 25 years. B: B. Less than 5 years. C: More than 5 years. D: More than 25 years.