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问题 单项选择题

有关下列资料对传染病的诊断意义，说法正确的是（）

A.流行病学资料在传染病早期诊断中占首要地位

B.一般的实验室检查如粪尿常规检查对传染病早期诊断意义不大

C.聚合酶链反应检测病原体核酸的灵敏度高，只要阴性就可排除传染病

D.特异性抗原检测往往较抗体检测更具有早期诊断意义

E.传染病的早期诊断依赖于病原体的分离培养

答案

参考答案：D

单项选择题

下列设备所采用的排气罩，哪一项是错误的

A．粉状物料在皮带运输机卸料处采用外部吸气罩
B．油漆车间大件喷漆采用大型通风柜
C．砂轮机采用接受式排气罩
D．大型电镀槽采用吹吸式排气罩
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阅读理解
阅读理解。
     Traditional Chinese festivals are now getting their own logos (标识). Here're logos for China's seven
important traditional festivals.
     Chunjie, Spring Festival, China's lunar new year, is the most important of the
traditional Chinese holidays. People usually get together, watch fireworks and the
lion dance, eat dumplings and put on new clothes. They pay New Year calls to
their relatives and friends. Children usually get red packets.
     Yuanxiao, Lantern Festival
is on the 15th day of the first
month in the Chinese calendar.
People watch lanterns and eat
sweet dumplings. 		     Qixi, the Night of Sevens is
on the seventh day of the seventh
month in the Chinese calendar.
It's Chinese version (版本) of
Valentine's Day (情人节).
     Qingming, Tomb-Sweeping
Festival is around April 5. People
from home and abroad go to the
graves (墓) of the dead in
memory of (纪念) them.		     Zhongqiu, Mid-Autumn
Festival, is on the 15th day of
the eighth month in the Chinese
calendar. Families enjoy moon
cakes and tell the story of
Chang'e.
    Duanwu, Dragon Boat Festival
is on the fifth day of the fifth
month in the Chinese calendar.
People eat rice dumplings and
remember the poet Qu Yuan. 		     Chongyang, Double Ninth
Festival is on the ninth day of
the ninth month in the Chinese
calendar. It's the date to pay
respect (尊敬) to the old.
1. Mid-Autumn Festival is ________ in the Chinese calendar.
A. on 15th of August
B. on 7th of July
C. on 15th of January
D. on 5th of May
2. What do Chinese people eat at Dragon Boat Festival?
A. Dumplings.
B. Moon cakes.
C. Rice dumplings.
D. Sweet dumplings.
3. Chinese version of Valentine's Day is ________.
A. Lantern Festival
B. the Night of Sevens
C. Spring Festival
D. Tomb-Sweeping Festival
4. At Tomb-Sweeping Festival, people go to the graves in memory of ________.
A. Qu Yuan
B. the elderly
C. Chang'e
D. the dead
5. At Double Ninth Festival, what do people usually do?
A. They watch lanterns.
B. They pay respect to old people.
C. They visit their relatives.
D. They get together to tell stories
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