问题 选择题

近年来,我国北京、内蒙古、陕西、新疆等地在冬春季节均受到灾害性天气——强沙尘暴的袭击,下列说法中正确的是(  )

A.东南风将沙尘向西部和西北地区搬运,形成沙尘天气

B.北方沙尘暴天气加剧的人为因素主要是过度樵采、过度开垦、过度放牧造成的

C.我国尚未建立沙尘暴预警系统

D.植树造林是治理风沙、减轻灾害的惟一途径

答案

答案:B

本题考查影响我国的自然灾害。形成沙尘暴的自然原因是气候干旱,风力大和冷锋影响,其人为原因是不合理的人类活动导致的植被破坏。

阅读理解

Eight-year-old Jesse Abrogate was playing in the sea late one evening in July 2001 when a 7-foot bull shark attacked him and tore off his arm. Jesse’s uncle jumped into the sea and dragged the boy to the store. The boy was not breathing. His aunt gave him mouth-to-mouth resuscitation while his uncle rang the emergency services. Pretty soon, a helicopter arrived and flew the boy to hospital. It was a much quicker journey than the journey by road.

Jesse’s uncle, Vance Folsenzier, ran back into the sea and found the shark that had attacked his nephew. He picked the shark up and threw it onto the beach. A coastguard shot the fish four times and although this didn’t kill it, the shark’s jaws relaxed so that they could open them, and reach down onto its stomach, and pull out the boy’s arm.

At the Baptist hospital in Pensacola, Dr Lan Rogers spent eleven hours reattaching Jesse’s arm. “It was a complicated operation,” he said, “but we were lucky. If the arm hadn’t been recovered in time, we wouldn’t have been able to do the operation at all. What I means is that if they hadn’t found the shark, well then we wouldn’t have had a chance.”

According to local park ranger (园林管理者) Jack Tomosvic, shark attacks are not that common. “Jesse was just unlucky” he says, “Evening is the shark’s feeding time. And Jesse was in the area without lifeguards. This would never have happened if he had been in the area where swimming is allowed.” When reporters asked Jesse’s uncle how he had had the courage to fight a shark , he replied, “I was mad and you do some strange things when you’re mad.”

小题1:What was the boy doing when the accident happened?

A.Feeding a hungry shark

B.Jumping into a rough sea

C.Dragging a boy to the shore

D.Swimming in a dangerous area小题2:In which way did the boy’s uncle help with the operation?

A.By finding his lost arm

B.By shooting the fish

C.By flying him to hospital

D.By offering his blood小题3:How was his uncle in time of danger ?

A.Careful

B.Brave

C.Optimistic

D.Patient

选择题