高血压病的并发症不妥的是()
A.冠心病
B.脑血管病
C.心力衰竭
D.视神经 * * 水肿
E.下肢动脉供血不足
参考答案:E
解析:血压持续性升高,造成脑、心、肾、眼底等损伤。
A: What’s the date today B: It’s June 16. A: (16) Then it’s Dragon Boat Festival today, isn’t it B: Yes. (17) A: Did you have rice dumplings this morning B: Sure. (18) A: I didn’t. B: What a pity! But I happen to have got some with me. (19) A: I’d love to. By the way, why do you call it Dragon Boat, Festival B: Because in China, people race dragon boats this day every year. A: Oh, I see. (20) B: You are welcome. A.We Chinese usually eat rice dumplings this day B.I hate eating rice dumplings. C.Thank you for your rice dumpling. D.I don’t think so. E.Would you like to have one F.Already G.How about you
()是指由于各种延时的变化导致网络中IP数据包到达速率的变化。
A.时延
B.时延抖动
C.数据包丢失
D.回声