行为面试法的假设前提是（）。A、一个人过去的行为最能预见其未来的行为 B、一叶知秋，

甲车在乙车前20米处，且比乙车提前20秒开车，甲车的行驶速度是4米/秒，乙车的如果想在50秒内追上甲车，至少要用多大的速度前进？

根据《建设工程施工合同(示范文本)》的规定，发包人在确认计量结果后()天内，应向承包人支付工程款。

A.20

B.14

C.10

D.15

患儿，男，3岁，因易汗出1个月前来就诊。症见：汗出，以头部、肩背明显，活动后加重，神倦乏力，面色少华，肢端欠温，平时易感冒。舌质淡，舌边齿印，苔薄白，脉弱。治疗首选方剂是（）

A.参苓白术散

B.玉屏风散合牡蛎散

C.生脉散

D.四君子汤

E.黄芪桂枝五物汤

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.

中断供电将在政治、经济上造成重大损失时，为( )。

A．一级负荷
B．二级负荷
C．三级负荷
D．一级负荷中特别重要的负荷