peak

01. Traffic is busiest at the [peak] hours of 3:30 - 5:30 p.m., Monday to Friday.

02. We could just barely see the mountain [peak] from where we were standing.

03. Sales of ice cream normally reach their [peak] in the month of August, when the weather is at its hottest.

04. Athletes have to plan their training carefully in order to [peak] at the time of a major competition.

05. My car broke down at a busy intersection right at the [peak] of rush hour.

06. We could see the snow-covered [peaks] of the mountains above us.

07. The tourist season here begins in May, and [peaks] around the middle of August.

08. Gilbert Chesterton once remarked that one sees great things from the valley, but only small things from the [peak].

09. Scientists have found that every 9.6 years, there is a [peak] in our country's wildlife population.

10. Most of the world's fresh water is found in snow, the ice at the poles, and on the [peaks] of the highest mountains.

11. The first major civilization in Europe was the Minoan civilization, which was at its [peak] around 2000 B.C.

12. A heart attack most often occurs in the morning when mental and physical stress are at their [peak].

13. Calcium is very important for women, especially in the [peak] bone-building years between the teens and early 30s.

14. Some icebergs have [peaks] that are higher than most buildings.

15. The culture of the Aztecs was at its [peak] when the first Europeans arrived in Mexico in 1519.

16. The Himalayas have 95 [peaks] over 7,500 meters high.

17. Riding a bicycle early in the day or later in the evening helps cyclists avoid the [peak] air pollution levels of rush hour.

18. In April of 1933, the first flight over the [peak] of Mount Everest in the Himalayas was made by four British pilots flying two different planes.

19. Good food provides the body with premium fuel to perform at its [peak].