动物体与绿色植开花植物体在其结构层次上的主要不同是动物体具有（）A.细胞 B.组织

《素问·四气调神大论》记载夏三月的养生方法有（）

A.夜卧早起

B.无厌于日

C.以使志生

D.华英成秀

E.使气得泄

作为企业财务管理目标，每股利润最大化目标较之利润最大化目标的优点在于( )。

A．考虑了资金时间价值因素

B．考虑了风险价值因素

C．反映了创造利润与投入资本之间的关系

D．能够避免企业的短期行为

说出华东理工校标的含义（二三句）

In the workplace, influenza is typically spread by infected individuals to others with whom they work in close quarters. A new medication that suppresses the symptoms of influenza therefore will actually increase the number of influenza cases, because this medication will allow people who would otherwise be home in bed to return to work while infected.
Which of the following, if true, most seriously challenges the prediction

A．Coughing, a symptom of influenza that the new medication suppresses, is a primary mechanism in the spread of this illness.

B．Some medications that are used to suppress symptoms of influenza are also used by many people to treat symptoms that are caused not by influenza but by other illnesses.

C．Many workers who now remain at home when infected with influenza do so because the symptoms of influenza prevent them from performing their jobs effectively.

D．Most adults who are immunized against influenza in order to avoid being infected are over 65 years old and retired and thus do not work outside the home.

E．(E) Symptoms of an illness are often the body’s means of curing itself of the illness, and therefore suppression of symptoms can prolong the illness that causes them.

果蝇体细胞有8条染色体，连续三次有丝分裂，产生的子细胞中的染色体数是（）

A.8条

B.16条

C.24条

D.4条