下列风险中,由于个人或团体的不可预料的反常行为造成的风险是()。
A.自然风险
B.社会风险
C.政治风险
D.经济风险
参考答案:B
某5层公建工程,条石基础,砖混结构,现浇钢筋混凝土楼板,局部采用防火玻璃隔断。首层跨度4.5m梁,起拱高度设计无具体要求。检查发现:模板支设起拱不符合要求;楼板中配筋为φ10@200钢筋错放为φ8@200。竣工5年后发生一次地震,房屋多处发生开裂,多处结构破坏。
根据场景(四),回答下列题目:
这次地震使该建筑破坏,可称为地震力产生的()效果。
A.平衡
B.变形
C.静定
D.移动
The Japanese Macaca monkey has been studied in the wild for over 50 years. In 1952, on one small Japanese island, scientists dropped some (21) in the dirt for the monkeys. The monkeys liked their taste, but they found the dirt (22) . One clever 18-month-old monkey found she could (23) the problem by washing the sweet potatoes in a nearby river. She taught this to her mother. Her (24) also learned this new way and they taught their mothers too. All the younger monkeys (25) learned to wash the dirty sweet potatoes to make them (26) to eat. But many old monkeys found it very hard to learn this and still ate the (27) sweet potatoes. Then something very strange (28) In the autumn of 1958, scientists found that the monkeys on other nearby (29) began washing their sweet potatoes too. Scientists still don’t fully understand how this knowledge was (30) from one island to another.
Ⅱ. 完形填空
A.trees
B.islands
C.beaches
D.rivers