What does the phrase 'pill poppers'(Lines 5-6, Paragraph 1)means?
A．Pill distributors.
B．Pill manufacturers.
C．Pill promoters.
D．Pill takers and abusers.

未分类题According to the drug manufacturers, the pillsA．only offer temporary treatment for patients with morbid obesity.B．are meant for all the people who yearn for slimness.C．are the best cure to our chronic weight problems.D．are the most important weight-loss discoveries.

未分类题What is the passage mainly about?A．The relationship between bees' individual motion and the hive's overall success.B．The process of a scientific experiment about the robot-roaches and the real ones.C．How millions of brain cells give rise to thoughts.D．How to invent a robot that human beings would accept.

未分类题What does the word 'emit'(Line 4, Paragraph 2)probably mean?A．give outB．turn outC．figure outD．set out

未分类题Both Dr. Moore and Dr. Bonds researches aim toA．add a new extra ingredient to the machines.B．make the future machines longer and healthier lives.C．find a way of checking that an ingredient has really healed.D．make up for the healing molecules once some of them have been used.

判断题生物学指标通常作为判断健康和疾病的最终标准。()

判断题自杀的心理过程大致可分为三个阶段：自杀动机的形成;心理矛盾冲突;表面平静阶段。()

未分类题Dr. Yehuda suggested women shouldA．know when they're overloaded.B．do less housework.C．be less involved in chores around.D．not try to be a superwoman.

判断题卵巢肿瘤最常见的并发症是蒂扭转。()

未分类题按照组成成分不同，砂浆可分为() 。

判断题对于出口，若实际汇率上升，则本国货币实际贬值，意味着国外商品相对于国内商品变得更加昂贵，这使本国商品的出口变得相对容易。()

未分类题外脚手架的主要型式有() 。

判断题主观性试题主要适合于测量较高层次的的教学目标。()

判断题效标关联效度可分为同时效度和预测效度。()

未分类题1.有人认为网络可以让学习、工作更有效率2.还有人认为网络让青少年沉迷，进而影响学习3.你对于网络的看法

未分类题One is to work in a state-owned business and the other in a joint venture.You are to make a choice between the two.Write an essay to explain the reasons for your choice.You should write at least 120 words but no more than 180 words.