题目内容
We must keep our room clean. Dirt and disease go , you know.
A. from time to time B. hand in hand
C. step by step D. one after another
B
本题是关键是理解句子的含义。“我们必须保持屋子干净，要知道灰尘总是伴随疾病。(灰尘和疾病总是手拉手。)”故B项符合题意。
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| In 1977, a dead author of detective stories saved the life of a 19-month-old baby in a most unusual way. The author was Agatha Christie, one of the most successful writers of detective stories in the world. In June 1977, a baby girl became seriously ill in Qatar, near Saudi Arabia. Doctors were unable to 1 the cause of her illness, so she 2 to London and admitted to Hammersmith Hospital, where specialist help was 3 . She was then only half-conscious (半昏迷) and on the "Dangerously Ill" list. A team of doctors hurried to 4 the baby only to discover that they, 5 , were puzzled by the very unusual symptoms. While they were discussing the baby's case, a nurse asked to 6 to them. "Excuse me," said nurse Marsha Maitland, " 7 I think the baby is 8 from thallium poisoning." " 9 makes you think that?" Dr. Brown asked. "Thallium poisoning is extremely 10 ." "A few days ago, I was reading a novel called A Pale Horse 11 Agatha Christie," Nurse Maitland explained. "In the book, somebody uses thallium poison, and 12 the symptoms are 13 . They are exactly the same as the baby's." "You're very observant and you may be right," another doctor said. "We'll 14 some tests and find out 15 it's thallium or not." The 16 showed that the baby had 17 been poisoned by thallium, a rare metal used in making optical (光学 的) glass. 18 they knew the cause of illness, the doctors were able to give the correct treatment. The baby soon 19 and was sent back to Qatar. Inquiries (调查) showed that the poison 20 from an insecticide (杀虫剂) used in Qatar. | ||||
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