醛固酮调节水盐代谢，能使（） A.钾离子排出增多 B.铵离子排出增多 C.氢

治疗和预防复发肱骨外上髁炎的基本原则是（）

A.及时治疗

B.手、腕、肘诸关节石膏外固定

C.反复多次注射泼尼松龙

D.限制握拳及伸腕动作

E.限制屈腕动作

C

Yellowstone Weather

Yellowstone National Park is at high altitude. Most of the park is above 7500 feet (2275 meters).

Yellowstone’s weather is unpredictable. In summer, it may be warm and sunny with temperatures in the high 70s. At night in any given month, the temperature may drop close to freezing. So it is best to come prepared for cold evenings and mornings, especially if you are camping or hiking. When you leave your campsite, please leave it prepared for possible thundershowers and wind.

A sunny warm day may become fiercely stormy with wind, rain, sleet and sometimes snow. Without enough clothing, an easy day hike or boat trip can turn into a battle for survival.

Seasonal Weather Information

Spring

Cold and snow continue into May, although

temperatures gradually climb. Early in spring, daytime temperatures average in the 40s to 50s; by late May and June, they may reach the 60s and 70s. Nighttime lows fall below freezing.   Summer

Daytime temperatures are usually in the 70s, occasionally reaching the 80s in the lower area. Nights are cool, temperatures may drop in the 40s and 30s，sometimes even the 20s. June can be cool and rainy; July and August tend to be somewhat drier, although afternoon thundershowers are common.

Fall

Weather can be pleasant, although temperatures average 10~20 degrees lower than summer readings. Nighttime lows can fall into the teens and even lower. Snowstorms increase in frequency as the weeks go by or towards the end of the fall season. Winter

Temperatures often stay near zero throughout the day, occasionally reaching high in the 20s. Subzero nighttime lows are common. Annual snowfall averages nearly 150 inches in most of the park. At higher places, 200~400 inches of snow have been recorded.

64、The theme（主题）of this passage is       in Yellowstone National Park.

A、the special weather      B、the beautiful scenery

C、campsites for free       D、terrible thunderstorms

65、This passage is mainly written for those who plan to     in Yellowstone National Park.

A、do research work       B、take a business trip

C、have sports games      D、spend their holidays or take a tour

66、Which of the following best describes Yellowstone’s weather?

A、The weather is generally changeable and it snows most of the year.

B、The lowest nighttime temperature often stays about zero in winter.

C、Weather in fall is pleasant and temperatures never fall below freezing.

D、It’s pretty warm in the day and very cold at night throughout the year.

67、If you are planning to spend your holiday in Yellowstone National Park in summer, what should you take with you?

A、Just some light clothing such as T-shirts or skirts.

B、Just some warm clothing such as sweaters or coats.

C、Both light clothing and warm clothing.  

D、Either light clothing or warm clothing.

根据《电力建设工程施工安全监督管理办法》，国家能源局依法实施电力建设工程施工安全的监督管理，具体内容包括（）

A.建立健全安全生产组织和管理机制和应急管理体系

B.建立健全电力建设工程安全生产监管机制，制定电力建设工程施工安全行业标准

C.建立电力建设工程施工安全生产事故和重大事故隐患约谈、诫勉制度

D.加强层级监督指导，对事故多发地区、安全管理薄弱的企业和安全隐患突出的项目、部位实施重点监督检查

美国分布在大西洋沿岸的主要海港有（）。

A．西雅图

B．费城

C．纽约

D．旧金山

LTE共支持（）个终端等级

A.1，

B.2，

C.5，

D.15.