右心衰最早出现的特异性体征是（）。 A.发绀 B.肝大 C.水肿 D.颈静脉怒张 E

继发性精索静脉曲张最常见于( )

A．肾癌
B．睾丸癌
C．结肠癌
D．前列腺癌
E．输尿管肿瘤

根据课文填空（共10小题；每小题1分, 满分10分）

[A] Every year millions of people around the world die due to smoking. Every packet of cigarettes （66） __________poisonous chemicals that can result in lung cancer and heart disease. This costs countries a lot of money and causes great （67）__________to the welfare of the people. There are huge numbers of smokers in Asia. This is （68）_________we have chosen anti-smoking as the subjects of our ad campaign.

[B]The contemporary Olympics were first（69）__________in 1896, in Athens. It was a Frenchman, Pierre de Coubertin, who （70）__________the Olympics back to life. He dreamt that the Olympics would make it possible for people of all countries to live side by side in （71） __________. Now people all over the world are helping to （72） __________this dream. Among them are many well-known athletes.

[C]In scientific studies it has been shown that VR can be a good（73）_________for people who have social problems. In one case, a teenager who was（74）_________of talking and playing with his schoolmates was treated with VR. In the world created by RealCine, he became the captain of the Brazilian football team and scored the winning goal in a world cup final. This（75） ________him to become more confident around others.

如图所示的电路中，电池的电动势E="9.0" V，内电阻r=2.0Ω，固定电阻R₁=1.0Ω，R₂为可变电阻，其阻值在0～10Ω范围内调节，问：取R₂=_______Ω时，R₁消耗的电功率最大.取R₂=________Ω时，R₂消耗的电功率最大.

阅读下面的文字，请分点简洁地概括出文中“粉丝”的主要特点。

　　如今的图书出版界，许多当红作家或学者都拥有数量极大的“粉丝”。易中天的粉丝自称为“乙醚”，钱文忠的粉丝自称为“潜艇”，于丹的粉丝自称为“鱼丸”。他们的新书发布和签售受到各自粉丝的追捧，短时间内就能售出二三千本。难怪有人说，今天的大众阅读已成为“粉丝阅读”。

　____________________________________________________________

子宫肌瘤引起不规则 * * 出血的原因

A．肌瘤表面溃疡、坏死、感染

B．可伴有子宫内膜增生过长

C．内膜血液循环障碍

D．宫腔及内膜面积增大

E．宫缩不良