女，56岁，1个月来右上后牙进冷热酸甜等食物时疼痛。检查右上第一磨牙近中邻船面龋洞，

社会团体党组织有哪些主要职责？

地球上现存的生物是由原始生命经历了漫长的进化过程演变而来的．下列关于生物进化规律的叙述，错误的是（　　）

A．由简单到复杂

B．个体由小到大

C．由低等到高等

D．由水生到陆生

Political controversy about the public-land policy of the United States began with the America Revolution. (1) , even before independence from Britain was (2) , it became clear that (3) the dilemmas surrounding the public domain might prove necessary to (4) the Union itself.

At the peace negotiation with Britain, Americans obtained a western (5) at the Mississippi River. Thus the new nation secured for its birthright a vast internal empire rich in agricultural and mineral resources. But (6) their colonial charters, seven states claimed (7) of the western wilderness. Virginia’s claim was the largest, (8) north and west to encompass the later states. The language of the charters was (9) and their validity questionable, but during the war Virginia reinforced its title by sponsoring Colonel Georgia Rogers Clark’s 1778 (10) to Vicennes and Kaskaskia, which (11) America’s trans Appalachian pretensions at the peace table.

The six states holding no claim to the transmontane region (12) whether a confederacy in which territory was so unevenly apportioned would truly prove what it claimed to be, a union of equals. Already New Jersey, Delaware, Rhode Isaland, and Maryland were (13) the smallest and least populous of the states. (14) they levied heavy taxes to repay state war debts, their larger neighbors might retire debts out of land-sale proceeds. (15) by fresh lands and low taxes, people would desert the small states (16) the large, leaving the former to fall (17) bankruptcy and eventually into political subjugation. All the states shared in the war effort, how then could half of them "be left no sink under an (18) debt, whilst others are enabled, in a short period, to (19) all their expenditures from the hard earnings of the whole confederacy" As the Revolution was a common endeavor, (20) ought its fruits, including the western lands be a common property.

Read the following text. Choose the best word (s) for each numbered blank and mark A, B, C or D on ANSWER SHEET 1.19（）

A．purchase

B．supplement

C．replace

D．exchange

有关医学模式的描述正确的是（）。

A.一种医疗方法

B.一种卫生工作方式

C.一种医学思维观念

D.一种医学习惯

E.一种医疗结构

24V电气系统起动继电器触点的闭合电压为（）伏。

A.6

B.8

C.14～16

D.24