患者女性，36岁，52kg。无呼吸困难，因甲状腺功能亢进拟行甲状腺大部切除术。如选静

As Philadelphia grew from a small town into a city in the first half of the eighteenth century, it became an increasingly important marketing center for a vast agricultural hinterland. Market days (1) the crowded city even more crowded, as farmers from within a (2) of 24 or more kilometers brought their sheep, vegetables, cider and other products for direct sale to the (3) . The High Street Market was continuously (4) throughout the period until 1736, (5) it (6) from Front Street to Third. By 1745 New Market was opened on Second Street. The next year the Callow Hill Market began (7) .

Along with market days, the (8) of twice-yearly fairs persisted in Philadelphia (9) after similar trading days had been discontinued in other colonial cities. The (10) provided a means of bringing handmade goods from (11) places to would-be buyers in the city. Linens and stockings from Germantown, (12) , were popular items.

Auctions were another popular (13) of trade. Because of the competition, retail (14) opposed these as well as the fairs. (15) governmental attempts to eradicate fairs and auctions were less than successful, the ordinary (16) of economic development was on the merchants’side, as increasing business specialization became the (17) of the day. Export merchants became differentiated from their importing counterparts, and specialty shops began to appear (18) general stores selling a variety of goods.

One of the reasons Philadelphia’s merchants prospered was because the surrounding area was undergoing tremendous economic and demographic growth. They did their business, (19) , in the capital city of the province, (20) to not only the governor and his circle, but citizens from all over the colony.

2（）

A.radiation

B.extent

C.radius

D.territory

缺铁性贫血服用铁剂治疗后，网织红细胞升高达到高峰的时间为（）

A.5～10天

B.2周

C.2个月

D.6个月

E.3个月

十二指肠残端破裂一般多发生在术后_________天，也有早在术后1～2天。

西江巍峨立石壁，神女当惊世界殊。2006年5月20日，全长2309米、混凝土浇筑总量1600多万立方米、当今世界规模最大的混凝土重力大坝——中国长江三峡大坝全线建成。“大坝横跨长江天堑，电能照亮半个中国，万吨巨轮直达重庆，下游六省再无水患。”三峡工程先后创造了100多项“世界之最”，是世界工程史上的杰作，仅安置移民就超百万，破解了“世界级难题”。三峡大坝的建成，实现了中 * * 的百年梦想。请用简洁的语言概括题中蕴含的道理。

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天线输入阻抗与特性阻抗不一致时，产生的反射波和入射波在馈线上叠加形成驻波，其相邻电压最大值和最小值之比就是（）。