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问题 单项选择题 B型题

患者表现为做事缺乏兴趣，反应迟缓，自责自罪，属于（）

A.昏迷

B.痴呆

C.木僵

D.情感淡漠

E.情感低落

答案

参考答案：E

解析：1.情感低落是负性情感的增强，轻者表现情绪低落、忧心忡忡、愁眉不展、唉声叹气，重者忧郁沮丧、悲观绝望，感到自己一无是处，毫无兴趣，患者常因此自卑自罪，认为生不如死而出现自杀观念及企图。 2.情感淡漠为情感活动减退的表现，患者对外界任何刺激均缺乏相应情感反应，对周围发生的事漠不关心，说话声调平淡，面部表情呆板，内心体验贫乏或缺如，严重时对个人生活漠不关心。

单项选择题

Most plants can make their own food from sunlight, (1) some have discovered that stealing is an easier way to live. Thousands of plant species get by (2) photosynthesizing, and over 400 of these species seem to live by pilfering sugars from an underground (3) of fungi(真菌). But in (4) a handful of these plants has this modus operandi been traced to a relatively obscure fungus. To find out how (5) are (6) , mycologist Martin Bidartondo of the University of California at Berkeley and his team looked in their roots. What they found were (7) of a common type of fungus, so (8) that it is found in nearly 70 percent of all plants. The presence of this common fungus in these plants not only (9) at how they survive, says Bidartondo, but also suggests that many ordinary plants might prosper from a little looting, too.

Plants have (10) relations to get what they need to survive. Normal, (11) plants can make their own carbohydrates through photosynthesis, but they still need minerals. Most plants have (12) a symbiotic relationship with a (13) network of what are called my corrhizal fungi, which lies beneath the forest (14) . The fungi help green plants absorb minerals through their roots, and (15) , the plants normally (16) the fungi with sugars, or carbon with a number of plants sharing the same fungal web, it was perhaps (17) that a few cheaters—dubbed epiparasites—would evolve to beat the system. (18) , these plants reversed the flow of carbon, (19) it into their roots from the fungi (20) releasing it as "payment.\

7（）

A.evidences

B.pictures

C.traces

D.tracks
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单项选择题

治疗慢性单纯性鼻炎时，首选局部抗炎药为（）

A.抗生素口服

B.氯霉素滴鼻

C.鼻内用糖皮质激素

D.滴鼻净滴鼻
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