Statistics indicate that approximate every 22 years--within a range of 3 to 4 years--a major drought occursin the United States.（）
A: indicate
B: approximate
C: major
D: occursin
A: indicate
B: approximate
C: major
D: occursin
举一反三
- Representatives in the United States are elected ______. A: annually B: every two years C: every three years D: every four years
- Statistics indicate that by far China has established ship routes with more than 200 major ports in over 600 countries around the world.
- How often is the World Cup? A: every 2 years B: every 4 years C: every year D: every 3 years
- How often do we hold the Olympic Games A: Every 4 years B: Every 3 years C: Every 5 years
- What are the major natural resources in the United States?