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问题 单项选择题

患者，男，29岁。患非淋球菌性 * * 炎半个月，排尿不爽、淋沥不尽、热涩刺痛、 * * 口红而分泌物多，小腹拘急，舌红苔黄，脉弦滑。治疗应首选

A．萆薢渗湿汤
B．龙胆泻肝汤
C．五神汤
D．三妙丸
E．萆薜化毒汤

答案

参考答案：A

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.\

15（）

A.in turn

B.in fact

C.in return

D.in the end
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多项选择题

下列关于恒生指数的说法正确的有（）。

A.恒生指数是由香港恒生银行于1969年11月24日起编制公布，系统反映香港股票市场行情变动最有代表性和影响最大的指数

B.它挑选了33种有代表性的上市股票为成分股，用加权平均法计算

C.恒生指数具有基期选择恰当、成分股代表性强、计算频率高、指数连续性好等特点

D.恒生指数于2006年2月提出改制，首次将H股纳入恒生指数成分股
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