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【判断题】
系统的微分方程的称为自由响应,特解称强迫响应。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】病人,男性,17岁,因鼻子出血不止就医,医生检查后诊断为重型再生障碍性贫血。今晨病情突然恶化死亡。其主要死因为
A.
贫血
B.
感染
C.
出血
D.
高热
E.
呼吸衰竭
【单选题】病人，男性，17岁，因鼻子出血不止就医，医生检查后诊断为重型再生障碍性贫血。今晨病情突然恶化死亡。其主要死因为
A.
出血
B.
呼吸衰竭
C.
贫血
D.
感染
E.
高热
【简答题】Answer the following questions after reading the two letters.
【单选题】病人,男,17岁,因鼻子出血不止就医,医生诊断为重型再生障碍性贫血。对再障进行口腔护理的主要目的是:
A.
去除氨味
B.
擦除血痂
C.
增进食欲
D.
预防感染
E.
使病人舒适
【单选题】病人,男性,17岁,因鼻子出血不止就医,医生检查后诊断为重型再生障碍性贫血。重型再障早期最突出的表现是
A.
出血和感染
B.
进行性贫血
C.
进行性脾脏肿大
D.
进行性消瘦
E.
淋巴结肿大
【简答题】Which of the following statements is NOT true of the two ferry disasters?
【单选题】The following two questions are based on the following passage: A study by a group of dentists has concluded that regular use of a certain brand of mouthwash is as effective as flossing in preventing ...
A.
The dental floss manufacturer is concerned that it will lose market share in the dental health market because the advertisement encourages people to switch from dental floss to mouthwash.
B.
The dental floss company claims in its own advertisements that brushing and flossing after every meal is the most effective way to maintain good dental health.
C.
Although mouthwash is an effective deterrent to gum disease, it is less effective than dental floss at removing plaque and preventing cavities between teeth.
D.
Per usage, mouthwash is three times more expensive than dental floss, if the recommended amounts of both products are used.
E.
The dentists who conducted the study on the effectiveness of mouthwash in preventing gum disease obtained their funding for the study from a company that manufactures mouthwash.
【单选题】The following two questions are based on the following passage: The Southfork Steel Company is in trouble. Since 1960 it has made guaranteed payments to retirees out of a pension fund paid into by cur...
A.
Employees who retire today will, on average, live five years longer than those who retired in the 1960s.
B.
The workers' union has consistently vetoed any efforts on the part of management to cut tire level of pension payments to retired employees.
C.
Although Southfork Steel now produces almost twice as much steel as it did during the 1960s, overseas competition has driven the price of steel, adjusted for inflation, to less than one-third of its price in the 1960s, and there is no indication that pric
D.
Consultants have advised Southfork management that it can improve efficiency at the plant by implementing further workforce restructuring that could decrease the total number of employees by approximately 10 percent.
E.
Southfork employees in management do not take part in the general pension system, but instead pay into and collect from a separate system that guarantees higher payments.
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