giúp mình 2 câu 7vaf 8 vs ạ , cần gấp vs chính xác đáp án và giải thích , xin cảm ơn

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A tornado is a violently rotating column of air that extends from a thunderstorm to the ground and is often - although not always - visible as a funnel cloud. Lightening and hail are common in thunderstorms that produce tornadoes. Tornadoes cause extensive damage to structures and disrupt transportation, power, water, gas, communications, and other services in its direct path and in neighboring areas. Related thunderstorms can cause heavy rains, flash flooding, and hail. About 1,200 tornadoes hit the United States every year and every state is at risk. Most tornadoes in the United States occur east of the Rocky Mountains with concentrations in the central and southern plains, the Gulf Coast and Florida. Tornadoes can strike in any season, but occur most often in the spring and summer months. They can occur at all hours of the day and night, but are most likely to occur between 3 p.m. and 9 p.m. 1. What do tornadoes often look like? A. a huge wave B. a funnel cloud C. powerful wind D. a big cylinder 2. What do tornadoes cause? A. extensive damage to structures B. transportations, power, water, gas disruption C. communication disruption D. all are correct 2. The word HIT in the second paragraph means …………..…. A. punch B. injure C. strike D. take 3. When do tornadoes often occur? A. in the spring B. in the summer C. in the winter D. in the spring and summer 4. What does the word “ they “ in the last paragraph refer to ? A. tornadoes B. summer months C. seasons D. spring