1. A blizzard (暴风雪)was forecast(预报), which threatened(威胁到) many lives, so the government made reliable(可靠的) rescue(营救) plans.
2. The typhoon (台风)claimed(夺去) many lives and caused the crisis(危机) exceptionally(极其) serious.
3. The helicopters (直升机)provided sufficient(足够的)food for the trapped people otherwise(否则) they would have starved to death.
4. At midnight(半夜), mosquitos (蚊子)circled the shelter (掩体)and bit precisely(准确地) at his laps(大腿).
