下列哪一项不是导致心血管疾病的原因（ ）
A．长期精神紧张
B．爱吃清淡的食物
C．嗜烟嗜酒
D．爱吃高脂食物
A、精神紧张和长期心理压力过大，造成心理负担等也易导致心血管疾病，A错误；
B、清淡的食物，能促进胃肠的蠕动和排空，所以多吃一些富含膳食纤维的食物，就会排便通畅、降低人体内过高的血脂和血糖，有利于维护心脑血管的健康，B正确；
C、嗜烟、嗜酒等不健康的生活方式，都会损伤心脏和血管导致心血管疾病，C错误；
D、如果食用过多的高脂肪，容易造成心脏和血管壁的脂肪等营养物质沉积，影响其正常功能，甚至引起动脉硬化、高血压等，D错误．
故选：B．
A boy carefully took his blind father to a seat in a noodle restaurant. He called 1 for two bowls of beef noodles. When the restaurant owner was going to 2 the food, the boy suddenly whispered to him,“Only one bowl with 3 , the other without ---just plain noodles.” In fact, the boy had a light purse and couldn’t afford 4 bowls of beef noodles. He called loudly just to let his 5 know. When the noodles were sent to them, the father wasn’t in a hurry. He used his chopsticks to search in his bowls, trying to 6 a piece of beef. As soon as he succeeded in finding one, he picked it out 7 put it into his son’s bowl, saying kindly, “Eat some more. Have enough 8 so that you can study well.” The boy accepted silently(默默地) and then quietly put the beef 9 to his father’s bowl. When the restaurant owner saw this, he was 10 , then he asked a waiter to bring 11 some dishes from the kitchen. The boy thought 12 the waiter took the dishes to a wrong table, but the owner came up explaining with a smile, “Today is my restaurant’s anniversary(周年庆). The dishes are 13 .” After the father and son left, the waiter 14 the bowls from the table and found some coins 15 one of them. The sum is just the price of the dishes.
|