题目内容
The elderly need special care in winter, as they are ______ to the sudden change of weather.
| A．sensitive | B．negative | C．flexible | D．sensible |
A
解析试题分析：句意，老年人在冬天需要特殊的关照，因为他们对于天气的突然改变很敏感。Sensitive敏感的negative消极的flexible灵活的sensible明智的，根据题意，故选A。
考点：考查词汇的辨析
点评：词汇是学习语言的重要环节。要掌握好英语,记忆相当数量的词汇是必不可少的。英语中的每一个单词,不仅表达一定的概念,具有一定的词汇意义,而且在语音、拼法、语法等方面都有自己的特点。在学生学习英语的过程中,单词、词组记忆是基础。解答这类题目，关键是理解题干意思以及各选项词组的意思，可以像数学中的代入法一样，依次把各个选项意思放入句子中进行比较，不难选出正确答案。
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相关题目
The elderly mother sits in the armchair, at the family picture on the wall quietly.
| A．staring | B．being stared | C．stared | D．to stare |
A vast dust storm that blew in from the deserts of Australia’s red centre has blanketed the country’s largest city and eastern coast in a red fog，causing widespread traffic chaos and severe flight delays.
Residents from Sydney in New South Wales to Canberra inland and towns in southern Queensland awoke to a red sky and greatly reduced visibility after the country’s worst dust storm in 70 years blew in overnight. The Sydney Harbor Bridge and Opera House were covered in the red fog and hundreds of people were reported to have breathing problems. Children，the elderly and those suffering from asthma (哮喘) or heart or lung diseases were advised to stay indoors ,as even healthy adults reported "itchy throats" and a metallic aftertaste in their mouths after walking through the thick fog.
Commuters used face masks，originally intended to protect them from the spread of swine flu, to hurry across the blocked streets on their way to work. Some schools were closed and sports activities were called off as the conditions pushed air pollution levels to 1500 times their normal levels – the highest on record.
Passengers at the busy Sydney Airport faced delays of up to six hours for international flights and three hours for domestic trips，and even some international flights were cancelled as visibility was reduced to just a few feet.
Locals，phoning radio stations to express their shock at the red dawn.” It’s like a nuclear winter morning，" tourist Peter Wilson told Daily Telegraph, "It is so terrible." adding that when he awoke the sky was "bright red" and "all the cars were covered in dirt".
The dust hanging over Sydney had largely cleared by midafternoon, although national carrier Qantas said severe delays would last all day because of direction-changed and late-running flights.
The sand storm，which measured more than 310 miles wide and 620 miles long， was caused by dust clouds blowing east from Australia’s dry places，which has been attacked by the worst drought on record. It covered dozens of towns and cities in two states as strong winds swept away tons of topsoil threw it high into the sky and carried it hundreds of miles.
1.What was the face mask originally intended for? (No more than 10 words) (2 marks)[
2.When did most residents of Sydney discover the vast storm ? (No more than 3 words) (3 marks)
3.What do you think the underlined word Qantas is? (No more than 3 words)(2 marks)
4.What is the main idea of the last paragraph ? (No more than 10 words) (3 marks)