職稱英語真題及答案解析
下面是小編整理的職稱英語真題，歡迎大家前來查看。
Promising Results from Cancer Study
A new experimental vaccine has shown promising results in the fight against lung cancer. In a small Texas-based study, a vaccine developed by scientists at Baylor University Medical Centre in Dallas, USA cured lung cancer in some patients and slowed the progress of the disease in others.
Researchers have reported encouraging findings from this small study. Forty-three patients suffering from lung cancer were involved in these trials. Ten of these patients were in the early stages and thirty-three in the advanced stages of the disease. They were injected with the vaccine every two weeks for three months, and were carefully monitored for three years. In three of the patients in the advanced stages of cancer, the disease disappeared and in the others, it did not spread for five to twenty-four months. However, no great difference was seen in the patients in the early stages of the illness.
This new vaccine uses the patient's own immune system. It is made specifically for each patient and is injected into the arm or leg. It stimulates the body's immune system, which then recognizes that the cancer cells are harmful, and attacks and destroys them.
The vaccine could be effective against other forms of cancer. It offers great hope for the treatment of cancer in general, although further studies are needed before such treatment can be widely used.
16. The vaccine cured all the participants in the trial.
A. Right
B. Wrong
C. Not mentioned
17. Over forty people participated in the study.
A. Right
B. Wrong
C. Not mentioned
18. Patients in the early stages of the disease recovered more quickly in the trial.
A. Right
B. Wrong
C. Not mentioned
19. All the patients were from Dallas.
A. Right
B. Wrong
C. Not mentioned
20. Every patient was injected with the same vaccine.
A. Right
B. Wrong
C. Not mentioned
21. The vaccine activates the immune system.
A. Right
B. Wrong
C. Not mentioned
22.The vaccine may be useful for treating other cancers.
A. Right
B. Wrong
C. Not mentioned
答案與解析
16.B。題干：該疫苗治愈了所有參加試驗的患者。從第二段最后一句可知有些患者被治愈了，有些是病情得到緩解，因此題干內(nèi)容有誤，故選B。
17.A。題干：超過四十人參加了這個試驗。從第二段第二句可知，參加實驗的有43人。因此題干內(nèi)容正確，故選A。
18.B。題干：試驗中，處于癌癥早期的患者恢復(fù)得更快。從第二段最后兩句可知，癌癥晚期的患者注射疫苗后有很大變化，癌癥早期的沒有多大起色。因此題干內(nèi)容有誤，故選B。
19.C。題干：所有患者都來自達拉斯。從第一段第二句可知，疫苗是達拉斯一所大學(xué)的醫(yī)療中心研究出來的，但并沒有提到患者來自哪里。因此答案為C。
20.B。題干：每個患者注射的都是一樣的疫苗。從第三段前兩句可知每支疫苗都是根據(jù)患者的免疫系統(tǒng)(immune system)研究出來的，所以疫苗是不同的。因此題干內(nèi)容有誤，故選B。
21.A。題干：疫苗激活了免疫系統(tǒng)。從第三段第三句可知，它能刺激(stimulate)人體的免疫系統(tǒng)，然后識別癌癥細胞是有害的，繼而攻擊和破壞這些癌細胞。因此題干內(nèi)容正確，故選A。
22.A。題干：疫苗可能在治療其他癌癥上發(fā)揮作用。根據(jù)文章第一段“…cured lung cancer in some patients and slowed the progress ofthe disease in others.”和第四段最后一句“It offers great hope for the treatment of cancer in general，although further studies are needed before such treatment can be widely used.”可知，題干敘述正確，故選A。
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