皮皮学，免费搜题
登录
搜题
【单选题】
武打小说中常出现的一种具有“见血封喉”功能的药物--断肠草，是中国古代九大毒药之一，现已查明它是葫蔓藤科植物葫蔓藤，其中的毒素很多，以下是分离出来的四种毒素的结构，下列推断正确的是 [ ]A.
①②③④互为同分异构体
B.
①③互为同系物
C.
①②③④均能与氢氧化钠溶液反应
D.
等物质的量的②④分别在足量氧气中完全燃烧，前者消耗氧气比后者少
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】High Dive kilometers up into the atmosphere.(1). No one has ever leapt from such a height or gone supersonic without an airplane or a spacecraft. Yet Stems, an airline pilot, is not the only person wh...
A.
It will handle several major hazards.
B.
Escape suits are tough enough to stand the atmospheric pressure of the upper stratosphere.
C.
From there, she'll take a death-defying leap back to Earth at supersonic speed.
D.
'In 30 seconds, I'll be going Mach speed,' said Stems.
E.
How will Stems make her giant jump?
F.
In short, blood boils.
【简答题】Like a medieval holy man, or modern hippie, Robert Macfarlane sets out for the remote parts of the northern and western British isles, sea-sprayed islands, craggy mountains and great bog plains. He wa...
【单选题】听力原文： Larry Smith is one of the rescuers on the Golden Gate Bridge. His job is to save people who attempt to jump into the sea. If the telephone rings at three in the morning, he knows it's trouble. S...
A.
A rescuer on the Golden Gate Bridge.
B.
A professional diver.
C.
A telephone operator.
D.
A guard on the Golden Gate Bridge.
【简答题】沁园春 雪 北国风光,千里冰封,万里雪飘。望长城内外 ,惟余莽莽;大河上下,顿失滔滔。山舞银蛇,原驰蜡象,欲与天公试比高。须睛日,看红装素裹,分外妖娆。 江山如此多娇 ,引无数英雄竞折腰。惜秦皇汉武,略输文采;唐宗宋祖,稍逊。一代天骄,,只识弯弓射大雕。 俱往矣,数风流人物,还看今朝。 1.给下列加点字注音: 沁 园春 ( ) 妖 娆 ( ) ...
相关题目：