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【单选题】
制备毒性药材、贵重药材或高浓度浸出制剂的最有效的方法是( )A.
煎煮法
B.
浸渍法
C.
渗漉法
D.
加液研磨法
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皮皮学刷刷变学霸
举一反三
【单选题】Why is the East Coast vulnerable to hurricanes once again?
A.
Because it is in a pattern similar to the 1950s when hurricanes were prevalent.
B.
Because the IPCC makes projections that are inaccurate and unreliable.
C.
Because global warming is proved to be no longer a factor contributing to hurricanes.
D.
Because people have not protected the environment in the correct way.
【简答题】突变破坏了某基因的正常功能,得到无功能或部分功能的产物,这种突变称为__________
【多选题】我国西南某省的地级州是欠发达地区，人口88万，城镇化率仅22.4%(比全国平均值低29个百分点，比全省平均值低19个百分点)，GDP等经济指标长期在全省排名倒数第一。2012年该州实现旅游总收入35.87亿元，相当于GDP(175.02亿元)的20.49%，旅游产业增加值已经达到GDP的13%(国际上一般认为，旅游产业增加值占GDP的5%以上即算支柱产业，占到8%以上就是战略性支柱产业)，旅游产业...
A.
积极推进消费主义的旅游消费伦理观
B.
倡导旅游循环经济思想
C.
侧重以旅游接待人数和旅游收入为衡量指标
D.
确立旅游企业的社会责任意识
E.
协调运用旅游规划等政策性工具和价格杠杆等市场性工具
【简答题】—几点了？ —12：30。 —What ‘s________ ________？ —It's 12:30．
【单选题】On the Exchange there were hurricanes and landslides and snowstorms and glaciers and volcanoes, and those elemental disturbances were reproduced in miniature in the broker's offices.
A.
Maxwell's offices experienced the natural disasters like hurricanes and landslides and snowstorms and glaciers and volcanoes
B.
Marwell's offices were busy and chaotic as if, in a minor way, struck by weather disasters
C.
the broker's offices experienced small versions of weather disasters
D.
the broker's offices, though small, were struck by hurricanes and landslides and snowstorms and glaciers and volcanoes
【单选题】对PowerPoint2010课件中的文本或图片添加触发器时,以下说法正确的是( )。
A.
图片可作为自身动画的触发器
B.
给图片添加触发器时，只能设置为“进入”类型的自定义动画
C.
给图片添加触发器时，只能设置为“强调”类型的自定义动画
D.
给图片添加触发器时，只能设置为“退出”类型的自定义动画
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