九龙口由九条自然河道汇集于龙珠岛,下列河道哪条不是()。 ["A、蟒蛇河","B、安丰河","C、莫河","D、城河"]
用户可以为()对象设置创建超级链接。 ["表格","图形","图像","文本框"]
野外鉴别人工填上,它的颜色为()。 ["固定的红色","无固定颜色","有固定颜色","都是黄色"]
正常人的体液占体重的() ["7-8%","20-30%","40%","60%","80%"]
下列散文中,通篇运用细节描写刻画人物形象的是() ["《先妣事略》","《纪念傅雷》","《都江堰》","《张中丞传后叙》"]
简述承诺的撤回?