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。()