某高校自去年开始对学生进行健康教育，下列指标中不属于学校健康促进效果评价指标的是（）

高血压合并脑卒中不宜选用（）

A.卡托普利

B.麟肼屈嗪

C.美托洛尔

D.呋塞米

E.可乐定

阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或使用括号中词语的正确形式填空，并将答案填写在答题卡标号为31－40的相应位置上。

Rivers are one of our most important natural resources. Many of the world’s great ____小题1:____ are located on rivers, and almost ___小题2:____ country has at least one river flowing through it that plays ____小题3:____ important part in the lives of its people.

Since the beginning of history, people _____小题4:_____ (use) rivers for transportation. The longest one in the United States is the Mississippi, and the lifeline of Egypt is the Nile. _____小题5:_____ transportation, rivers give water to drink, water for crops, and chances for fun and recreation for the people ___小题6:___ live along their banks.

However, large cities and industries that are located on rivers often make problems. As the cities grow __小题7:____ size and industries increase in number, the water in the rivers becomes ____小题8:_____ (pollute) with chemicals and other materials. People are learning the ___小题9:_____ (important) of doing more to keep their rivers clean ___小题10:_____ they want to enjoy the benefits of this natural resource.

阅读图文材料，完成下列要求。

某科考队8月考察堪察加半岛，考察中发现，勘察加半岛北部发育苔原，南部生长森林；东西向气候区域差异显著；大型植食性和肉食性野生动物数量较少，但冬眠杂食性且善捕鱼的熊的数量较多；大量来自海洋的鲑鱼溯河流而上，成为熊的重要食物。图6示意勘察加半岛的地形。

（1）说明勘察加半岛地形对气候区域差异的影响。（6分）

（2）分析勘察加半岛大型植食性和肉食性野生动物数量较少的原因。（10分）

（3）某科考队员欲近距离拍摄熊，推测他在甲地选择拍摄点的理由。（6分）

异步电动机的同步转速即其额定转速。

某河有相距45千米的上、下游两个码头，每天定时有甲、乙两艘速度相同的客轮分别从两个码头同时出发相向而行，一天甲船从上游码头出发时掉下一物，此物浮于水面顺水漂流而下，4分钟后，与甲船相距1千米，预计乙船出发后几个小时可以与此物相遇

A．2.5
B．3.5
C．3
D．4