有一种氯化钠与氯化钾的混合物，它所含钾与钠的物质的量之比为3∶1。求： （1）混

第二卷

第一节 短文改错（10×1分）

Between Virginia and Maryland on the Potomac River lie                  76. _______

Washington D.C. It is about 220 miles in the south                              77. ______

of New York City. The pleasantest and easiest ways to                       78 ______

get there is by long-distance bus, or by the fast

(125-mile-an-hour) train which spends a little more money than          79. ______

the bus journey and a little less money than flying. I could travel far

more than 220 miles to see Washington. It’s not city that has             80. ______

been grown up accidently as most big cities have done.                    81. ______

It was carefully planned for the nation’s capital by a                            82. ______

Frenchman, Perril Enfant. The city was named                                  83. ______

George Washington, the much-loved, much-admired,

much-respected first president of the United States.                          84. ______

In 1791 he himself arranged to buy the land which it stands.             85. ______

移植肝的功能恢复时易发生（）

A.高钾和代谢性碱中毒

B.高钾和代谢性酸中毒

C.低钾和代谢性酸中毒

D.低钾和代谢性碱中毒

E.高钠和代谢性酸中毒

颞骨骨折以下列哪种类型多见（）

A.横行骨折

B.撕脱骨折

C.混合性骨折

D.纵行骨折

E.粉碎骨折

下列哪项属于白内障超声乳化术的优点（）

A.手术适应症较广

B.减少脉络膜渗出及出血

C.术后视力恢复快

D.超声乳化技术容易掌握

E.减少角膜散光

屋面防水是通过屋面层次构造和屋顶细部构造使屋面具有防止雨水渗漏的能力，屋面排水则是通过在屋顶设置（）使屋面能够迅速排除雨水。

A、一定的坡度

B、较大的坡度

C、任一坡度

D、适当的坡度